| 词汇 | spiracle |
| 释义 | spiracle noun[ C ] biology specializeduk /ˈspaɪ.rə.kəl/ us /ˈspaɪ.rə.kəl/ in an insect or spider, one of the small holes that allow air in and out through the surface of the body（昆虫或蜘蛛的）通气孔（让空气通过身体表面进出） in some fish such as sharks, a small hole behind each eye used for breathing, by allowing water through to the gills（一些鱼类如鲨鱼的）腮孔（每只眼睛后有一个，用于呼吸，让水流到腮部） atese/iStock/Getty Images Plus/GettyImages Animal physiology: the respiratory system air sac airway alveolar arytenoid bronchus cardiopulmonary cardiorespiratory dead space glottis lung oxygen debt respiratory system respiratory tract trachea tracheobronchial upper respiratory upper respiratory tract vocal cords voice box windpipe Examples of spiraclespiracle The prothoracic and last abdominal spiracles larger than the rest (fig. 6, d, e). The fifth pair of nerves runs to the anterior and posterior spiracles. Many water beetles carry an air bubble underneath their abdomens, which both provides an air supply, and prevents water from getting into the spiracles. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The eyes are horizontally oval and protected by rudimentary nictitating membranes; behind are spiracles of moderate size. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The eyes are tiny, and followed by much larger, teardrop-shaped spiracles. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. They have elongated, cylindrical bodies, with short barbels and large spiracles. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The anterior spiracles (prothoracic spiracles) end bluntly and are not elongated. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The eyes are followed by larger, comma-shaped spiracles. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A pair of tiny spiracles is present behind the eyes. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. They speak by rubbing the bristles in front of their spiracles, or breathing vents, and surprisingly speak clearly. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The instars are separable by examining the posterior spiracles, or openings to the breathing system. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The eyes are horizontally oval and have rudimentary nictitating membranes (protective third eyelids); they are followed by tiny spiracles. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The larva is amphipneustic (having only the anterior and posterior pairs of spiracles). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The eyes are medium-sized and closely followed by larger spiracles. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Larvae breathe through spiracles located on their eighth abdominal segments, or through a siphon, so must come to the surface frequently. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. See all examples of spiracle 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. |
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