| 词汇 | example_english_air-sac |
| 释义 | Examples of air sacThese examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. Respiratory air sacs often form air pockets within the semi-hollow bones of the bird's skeleton. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. No trematodes were observed in the lung or airsac, heart, liver, spleen and kidney of all bats and swallows. Tested organs include lung or airsac, heart, spleen, liver, kidneys and intestine. Alterations consisted of thickened airsac walls (fig. 1e), lesions or granulomata at the site of worm attachment, sometimes involving underlying tissues. The lung or airsac, heart, liver, spleen, kidney and intestine were collected using different sets of instruments in order to prevent possible cross-contamination. Some experiments involve the introduction of tobacco smoke into the animal's mouth or, in the case of hens, into the airsac. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 It was probably hollowed out by an outgrowth of an airsac in the nasal bone. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This airsac leaves distinctive marks or opening on the bones, including a distinct opening in the upper arm bone ("humerus"). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Air from the lungs is channeled to the airsac, which resonates to make the sound louder. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Such an organ is generally a membrane (tympanum) stretched across a frame backed by an airsac and associated sensory neurons. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The syrinx and sometimes a surrounding airsac resonate to sound waves that are made by membranes past which the bird forces air. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The ribbon seal has a large inflatable airsac that is connected to the trachea and extends on the right side over the ribs. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Airsac extensions from the lungs occupy the centre of some bones. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The big end contains the airsac and its shell is pierced by a higher density of pores than the more pointed end. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. While the left abdominal airsac is large and lies to the left of the mesentery. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These sounds are reflected by the dense concave bone of the cranium and an airsac at its base. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Early research indicated a parasite called the airsac mite was responsible for the decline of the species. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Furthermore, the jaws were unusual in being hollow and air filled, apparently being connected to the airsac system. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The opening above the eye is thought to have accommodated an airsac that would have lightened the skull's weight. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This nematode was found in the air sacs and trachea in nearly equal numbers (table 1). After thawing, the viscera, eyes and air sacs were removed and examined for helminths. The syrinx depends on the airsac system in birds to function; specifically, it requires the presence of a "clavicular air sac" near the wishbone or collar bone. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The walrus has an airsac under its throat which acts like a floatation bubble and allows it to bob vertically in the water and sleep. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. When the bird exhales, the used air flows out of the lung and the stored fresh air from the posterior airsac is simultaneously forced into the lungs. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Lesions were most severe in air sacs, rather than in lung tissues. Endopterygota insects have more alternatives to moulting, such as expansion of the cuticle and collapse of air sacs to allow growth of internal organs. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This is also seen in birds and many non-avian dinosaurs, which have air sacs to further aid in respiration. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The nasal passage contains nine or ten air sacs, which have a complicated structure, and are capable of sealing off all air within the passage. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Unidirectional flow of air to the lungs is facilitated by the air sacs. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This system lacks a diaphragm and instead compensates this by multiple air sacs in the body cavity. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Males are also distinguished from females by air sacs on the neck that may increase the volume of courtship calls. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This exchange process occurs in the alveoli air sacs in the lungs. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Damage to these air sacs, and tissue makes breathing very difficult, causing shortness in breath, hyperventilation, and raised chest. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These bronchioles give rise to the air sacs in the lungs called the alveoli. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This type of emphysema deteriorates the air sacs, and lung mass. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Its skeleton was highly pneumatised (filled with air spaces connected to air sacs), but the limbs were robustly built. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Air flow is directed through the lungs via air sacs. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The study concluded that it was impossible to determine whether prosauropods had a bird-like flow-through lung, but that the air sacs were almost certainly present. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Gannets have air sacs under their skin in their faces and chests which act like bubble-wrap, cushioning the impact with water. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. They have air sacs under their skin in their face and chest which act like bubble-wrap, cushioning the impact with the water. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Air flow depends on the pressure changes of the air sacs. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Such spaces, which are also found in modern theropods (that is, the birds), are interpreted as having held air sacs used in respiration. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Although birds have lungs they rely mostly on air sacs for respiration. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The bacterium spreads in the air sacs, and passes off into the lungs, resulting in an infected immune system. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The air sacs are poorly vascularized but show an increased temperature, which aids in heat loss. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Therefore, it must have had either a system unknown in the modern world or one like birds, i.e., multiple air sacs and a flow-through lung. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The abdominal tracheal air sacs surround the sound muscles and extend into the abdomen, acting as resonant chambers to amplify sound. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The air sacs expand and contract due to changes in the volume of the combined thorax and abdominal cavity. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Between molts, the air sacs provide room for new growth -- shrinking in volume as they are compressed by expansion of internal organs. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Bladderhorns make bellowing sounds by deflating the air sacs. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These develop into pollen grains; each grain consists of four cells and a pair of external air sacs. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The pollen of pine trees contains air sacs which give it buoyancy and it has been known to travel as far as. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. On careful dissection, around eight air sacs can be clearly seen. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A complicated system of valves and air sacs cycles air constantly over the absorption surfaces of the lungs so allowing maximal efficiency of gaseous exchange. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. They typically have an enlarged lumen (cavity), hence the name similar to alveoli, the smallest air sacs in the lungs. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Although feathers are light, a bird's plumage weighs two or three times more than its skeleton, since many bones are hollow and contain air sacs. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Large air sacs connected to the lung system were present in the neck and trunk, invading the vertebrae and ribs, greatly reducing the overall density. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. During expiration, oxygen poor air flows to the anterior air sacs and is expelled by the action of the expiratory muscles. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The connection from the main mesobronchi to the more anterior air sacs including the interclavicular, lateral clavicular, and pre-thoracic sacs known as the ventrobronchi region. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The lung-on-a-chip places two layers of living tissuesthe lining of the lung's air sacs and the blood vessels that surround themacross a porous, flexible boundary. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Alveoli are small air sacs branching off from the bronchioles in the lungs. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. So far no evidence of air sacs has been found in ornithischian dinosaurs. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Air sacs in the respiratory system do not directly contribute to gas exchange. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Females have nonrespiratory air sacs containing anoxic air, and the waving pushes this air into her lungs. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The air sacs give the pollen grains added buoyancy that could help with wind dispersal. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Air from the anterior air sacs empties into the trachea and back out through the bird's mouth or nares during expiration. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The alveoli are tiny air sacs in the lungs where gas exchange takes place. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Facial air sacs under their skin cushion the impact with the water. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. They use these air sacs to migrate up and down in lakes. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Early avian-style respiratory systems with air sacs may have been capable of sustaining higher activity levels than mammals of similar size and build could sustain. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The apparently massive neck was, however, filled with an extensive system of weight-saving air sacs. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Sounds also bounce off the skull and air sacs that surround the melon. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Ten different air sacs attach to the lungs to form areas for respiration. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. At rest, there is small pressure differences between the ostrich air sacs and the atmosphere, suggesting simultaneous filling and emptying of the air sacs. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Thus, they are able to use a series of air sacs connected to the lungs. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Pleurocoels are filled with air sacs, according to some researchers. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. During a molt, air sacs fill and enlarge as the insect breaks free of the old exoskeleton and expands a new one. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Air sacs just below the blowhole allow whales to produce sounds for communication and (for those species capable of it) echolocation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Early sauropodomorphs, including the group traditionally called prosauropods, may also have had air sacs. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Evidence of air sacs has also been found in theropods. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These dots are the air sacs. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Three distinct sets of organs perform respiration the anterior air sacs (interclavicular, cervicals, and anterior thoracics), the lungs, and the posterior air sacs (posterior thoracics and abdominals). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The air sacs, although thin walled, are poorly vascularized, and do not themselves contribute much to gas exchange, but they do act like bellows to ventilate the lungs. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. To avoid overheating some moths rely on hairy scales, internal air sacs, and other structures to separate the thorax and abdomen and keep the abdomen cooler. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. While bird lungs are smaller in comparison to mammals, the air sacs account for 15% of the total body volume, compared to 7% lung volume in mammals. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The air then flows through the anatomical dead space of a highly vascular trachea (78 cm) and expansive bronchial system, where it is further conducted to the posterior air sacs. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Most of these vertebrae and some of the ribs contained cavities (pneumatic foramina) that may have resulted from the infiltration of avian-style lungs and air sacs. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. However, these calculations were based on incorrect assumptions about the available cooling surfaces (the large air sacs were not known), and a grossly inflated body mass. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The absence of taenidia in certain parts of the tracheal system allows the formation of collapsible air sacs, balloon-like structures that may store a reserve of air. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is generally produced during development by excavation of bone by pneumatic diverticula (air sacs) from an air-filled space such as the lungs or nasal cavity. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. But this does not imply that ornithischians could not have had metabolic rates comparable to those of mammals, since mammals also do not have air sacs. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
反思网英语在线翻译词典收录了377474条英语词汇在线翻译词条，基本涵盖了全部常用英语词汇的中英文双语翻译及用法，是英语学习的有利工具。