| 单词 | 鸟翅 |
| 释义 | 〔axilla〕A body part analogous to the armpit, such as the hollow under a bird's wing.腋部：类似于腋窝的身体部位，比如鸟翅下面的空隙〔alula〕A small joint in the middle of a bird's wing, homologous with the thumb and bearing three or four quill-like feathers. Also called bastard wing ,spurious wing 小翼羽：鸟翅中部的小骨节，与大拇指同源，上有三四片羽毛 也作 bastard wing,spurious wing |
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