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单词 pygostyle
释义

pygostyle

/ˈpaɪgəʊstaɪl/
noun
Ornithology (in a bird) a triangular plate formed of the fused caudal vertebrae, typically supporting the tail feathers
【鸟】尾综骨。
词源
late 19th cent.: from Greek pugē 'rump' + stulos 'column'.
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更新时间:2025/2/12 2:00:58