cavity
柯林斯词典
1. N-COUNT A cavity is a space or hole in something such as a solid object or a person's body. 洞; 腔[正式]
...a cavity in the roof. …屋顶的一个洞。
2. N-COUNT In dentistry, a cavity is a hole in a tooth, caused by decay. (牙齿的) 龋洞[技术]
返回 cavity
cavity /ˈkævɪtɪ/ (cavities)
剑桥词典
cavity noun [C] (HOLE)
a hole , or an empty space between two surfaces
空隙；洞；腔
The gold was hidden in a secret cavity. 金子藏在一个隐秘的洞穴里。
cavity noun [C] (TOOTH)
a hole in a tooth
（牙齿上的）龋洞，蛀牙洞
cavity noun [C] (IN THE BODY)
medical specializeda hollow space in an organ or body part
（身体内的）腔
the upper nasal cavity 鼻腔上部 返回 cavity