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alveolus

英 [,?lv?'??l?s; ?l'v??l?s] 美[?l'vi?l?s]
  • n. 肺泡；小窩

英英釋意

1. a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways
2. a bony socket in the alveolar ridge that holds a tooth