| 词汇 | speculum |
| 释义 | speculum noun[ C ] uk /ˈspek.jə.ləm/ us /ˈspek.jə.ləm/pluralspecula or or speculums speculumnoun[C] (MEDICAL INSTRUMENT)medical specialized a metal instrument that is put into a long narrow part of the body in order to open it up so it can be examined: （医用）窥器，扩张器 An ear speculum may be used to look into the ear canal.耳窥镜可用于观察耳道。 Speculums are used in smear tests.妇科窥器用于涂片检查。 He picked up his speculum from a small metal tray and started his examination. The inside of your nose may need to be examined with a nasal speculum. The speculum keeps the walls of the vagina apart so that the cervix can be seen. Medical & surgical equipment AED arthroscope aspirator balloon catheter bioengineer catheter EKG endoscopic extracorporeal membrane oxygenation face mask FDG first aid kit magnetic resonance imaging stenting syringe syringe driver thermal blanket tomography tongue depressor ventilator speculumnoun[C] (BRIGHT FEATHERS)biology specialized an area of brightly coloured feathers on ducks and some other birds: （鸟类的）翼斑，翼镜 The brown duck has a distinctive large blue speculum.这只棕色的鸭子长着一片很大的、与众不同的蓝色翼斑。 The Mallard has a bright blue-purple speculum. The size and colour of the speculum varies between species. It is smaller than a Mallard, with a shorter bill, more pointed tail, and a green speculum. In flight, both sexes flash deep-green specula. Miscellaneous animal body parts back end blowhole bobtail caudate claw dorsal fin dorsally gill hindquarters nipple pincer pouch pouched pseudopod reticulum scut sting stinger teat udder Examples of speculumspeculum Speculum extending from about basal quarter to middle of marginal vein (fig. 4i); basal fold with 2-7 setae. Roth and colleagues suggested that there are technical limitations of the speculum-camera interface that prevent a satisfactory view of the periphery of the retina. The red shoveler is cinnamon in color with dark spots, and a green speculum. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The green speculum has an indistinct cinnamon-buff inner border. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The speculum helps keep the mouth open during the exam and helps avoid biting injuries. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The wings are whitish below, and from above show a white-bordered green speculum. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is a poem in the tradition of speculum literature, written in seven-line stanzas, not known to have appeared in print. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The wings are whitish with black flight feathers below, and from above show a white-bordered green speculum and white tertials. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It lacks the red bill spot, and has a blue speculum. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Her works reference examinations done both digitally (that is, by hand alone) and using a speculum, and show a detailed familiarity with physiology. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In flight, pale blue forewing feathers are revealed, separated from the green speculum by a white border. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In flight, the lack of a white border to the speculum is a key difference. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Juvenile birds resemble the female, but are less neatly scalloped and have a duller brown speculum with a narrower trailing edge. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The north-eastern race is darker and has a brighter bill and blue speculum. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Speculum also had the unfortunate property of tarnishing in open air with a sensitivity to humidity, requiring constant re-polishing to maintain its usefulness. 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. |
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