英语词汇air sac怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	air sac
释义	air sacn. an extension of the lungs in birds or of the tracheae in insects (某些鸟类、昆虫的)气囊
随便看	clarkia clary clash clasher clasp clasper clasper clasp hands clasp-knife clasp one's hands class class-conscious class-consciousness classic classical classicalism classicalist classicality classically classicism classicist classicize mosquito mosquito-boat mosquito net

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