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 ˈair ˌsac noun [C] _SPECIALIZED 1 F0 a space filled with air that continues from a bird's lungs into one of its bones or another body area, used in breathing Thesaurus⁺: ↑Substances and structures in the bodyThesaurus⁺: ↑The respiratory system 2 F0 a wide part like a bag in the tubes an insect uses for breathing Thesaurus⁺: ↑Substances and structures in the bodyThesaurus⁺: ↑The respiratory system 3 F0 an alveolus (= a very small air bag in the lungs) Thesaurus⁺: ↑Substances and structures in the bodyThesaurus⁺: ↑The respiratory system
随便看	orthodontic orthodontics orthodontist orthodox orthodox medicine orthodoxy orthogonal orthographic orthographically orthography orthopaedic orthopaedics or two OS Oscar oscillate oscillation oscilloscope osmosis osmotic osmotic pressure osprey ossification ossified ossify

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