cavity

UK:  ['kævəti]

US:  [ˈkævəti]

复数：cavities  

n.

1.洞,穴,窟窿

2.(身体的)腔

3.蛀牙,龋洞

1 . Generally the active site cavity is defined by comparing the superposition of active to that of inactive molecules.
通常活跃站点洞通过比较激活的叠置定义与那不活泼的分子。

2 . In the study of piles jacking in soil, cavity expansion method (CEM) in infinite space is usually used to simulate the expansion of piles.
在静压桩贯入问题的研究中，常用无限土体中圆孔扩张法来模拟桩端对土体的扩张。

3 . In the 4th stage larvae, the length of mouth cavity of A. duodenale is almost equivalent to its width, but that of N. americanus is shorter.
十二指肠钩虫第4期幼虫口腔的长宽几乎相等，但美洲钩虫宽大于长。

4 . An obstruction. Food waste or a hard piece of stool (fecal stone) can block the opening of the cavity that runs the length of your appendix.
阻塞。食物残渣或是粪石（就是…一块儿坚硬的便便）会堵住阑尾的开口。

5 . the joint capsule around the bone surface in the joints wrapped with a layer of film (the joint cavity closed), known as the joint capsule.
关节囊在关节骨面的四周包裹着一层膜（使关节腔密闭），称为关节囊。