cotyloid cavity

常见例句

That is actually a cavity in the earth.
那其实是一个地下洞穴。
A cavity or hollowed surface, especially of a bone.
腔尤指骨头的腔或凹陷的表面
The cavity formed by this structure.
盆腔由这种骨骼结构形成的体腔
I have a toothache because there is a cavity in one of my teeth.
我牙疼，因为我的一颗牙齿上有个洞。
The peritoneal cavity is a potential space.
腹腔是一个潜在的间隙。