n. 腔,洞,窟窿
n. (龋齿的)洞
the abdominal cavity 腹腔
Put herbs inside the body cavity of the fish. 把香草放进鱼肚里。
I have no cavities. 我没有蛀牙洞。
BrE /əˌbriːviˈeɪʃn/
NAmE /əˌbriːviˈeɪʃn/