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单词 acetabula
释义

acetabulum /a-si-tabˈū-ləm or -sē-/ (zoology)

noun (pl acetabˈūla)
  1. The hollow that receives the head of the thigh bone
  2. One of the cotyledons of the placenta of ruminants
  3. The cavity that receives a leg in the body of insects
  4. (in various invertebrates) a sucker
ORIGIN: L acētābulum a vinegar cup

acetabˈūlar adjective
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更新时间：2026/3/22 9:49:15