英语词汇“air sac”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	air sac
释义	air sac n. 1. An air-filled space in the body of a bird that forms a connection between the lungs and bone cavities and aids in breathing and temperature regulation. 2. See alveolus. 3. A saclike, thin-walled enlargement in the trachea of an insect. 4. An inflatable pouch attached to the larynx in certain mammals, including the nonhuman great apes.
随便看	orthopedist orthopsychiatric orthopsychiatrical orthopsychiatrist orthopsychiatry orthopteran orthopterous orthopyroxene orthorhombic orthoscopic orthostatic orthotic orthotics orthotist orthotropic orthotropically orthotropism orthotropous Ortler Ortles ortolan Orton ORV Orville Orwell

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