cavity
/'kæviti/
六级托福雅思GRE基础词汇
BNC词频: #8,851
当代词频: #7,556
中文释义
n. 洞, 空穴, 腔
[化] 空穴
英文释义
n. space that is surrounded by something
n. soft decayed area in a tooth; progressive decay can lead to the death of a tooth
n. (anatomy) a natural hollow or sinus within the body