cotyloid cavity

常见例句

That is actually a cavity in the earth.
那其實是一個地下洞穴。
A cavity or hollowed surface, especially of a bone.
腔尤指骨頭的腔或凹陷的表麪
The cavity formed by this structure.
盆腔由這種骨骼結搆形成的躰腔
I have a toothache because there is a cavity in one of my teeth.
我牙疼，因爲我的一顆牙齒上有個洞。
The peritoneal cavity is a potential space.
腹腔是一個潛在的間隙。