英语词汇“vocal 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	vocal sac
释义	vocal sac noun also vocal pouch : one of a pair of inflatable resonating sacs in the mouth of various frogs; also : the unpaired sac in the true toads of the genus Bufo
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