| 单词 | cavity |
| 释义 | cavity —cavitied, adj. /kav"i tee/, n. , pl. cavities. 1. any hollow place; hollow. 2. Anat. a hollow space within the body, an organ, a bone, etc. 3. a hollow space or a pit in a tooth, most commonly produced by caries. A cavity may be artificially made to support dental restorations. [1535-45; < MF cavite < LL cavitas hollowness, equiv. to L cav(us) hollow + -itas -ITY] Syn. 1. See hole. |
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