Cavity
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GRE TOEFL
目录 |
[编辑] 解释
[编辑] GRE 红宝书
- n. ( 牙齿等的) 洞、腔
- ［英］ n. ( 牙齿等的) 洞、腔 ( a hollow place in a tooth)
[编辑] Webster Collegiate
noun (plural -ties)
- Etymology: Middle French cavité, from Late Latin cavitas, from Latin cavus
- Date: 1541
- 1. an unfilled space within a mass; especially a hollowed-out space
- 2. an area of decay in a tooth ; caries
