alveoli

汉语翻译

英语解释：

名词 alveolus:

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