雄蛙口咽腔处具声囊( vocal sac),有共鸣箱的功能,使声带发出的声音因共鸣而扩大,雄性蟾蛛无声囊。
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internal vocal sac 内声囊
external vocal sac 外声囊
subgular vocal sac 咽下声囊
no vocal sac polypedate 无声囊泛树蛙
internal tariff vocal sac 内声囊
external superheater vocal sac 外声囊
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以上来源于: WordNet
N either of the loose folds of skin on each side of the mouth in many male frogs that can be inflated and act as resonators 声囊 [zoology]
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