名詞 cavity:

1. a sizeable hole (usually in the ground)
   同義詞：pit
2. space that is surrounded by something
   同義詞：enclosed space
3. soft decayed area in a tooth; progressive decay can lead to the death of a tooth
   同義詞：caries, dental caries, tooth decay
4. (anatomy) a natural hollow or sinus within the body
   同義詞：bodily cavity, cavum

1. An abnormal duct or passage resulting from injury, disease, or a congenital disorder that connects an abscess, a cavity, or a hollow organ to the body surface or to another hollow organ.
   瘺，瘺管由于受傷、疾病或先天性變形引起的把膿腫、腔洞或空器官同身體或其它空器官連結(jié)起來的病變的通道
2. A cavity in a solid.
   洞固體上的洞
3. A cavity or hollowed surface, especially of a bone.
   腔尤指骨頭的腔或凹陷的表面
4. I have a toothache because there is a cavity in one of my teeth.
   我牙疼，因為我的一顆牙齒上有個洞。

cav.i.ty

n.（名詞）
【復(fù)數(shù)】 cav.i.ties 縮寫 cav.
A hollow; a hole.
孔；洞
A hollow area within the body:
身體內(nèi)的空洞區(qū)：
例句：
a sinus cavity.
竇洞

A pitted area in a tooth caused by caries.See Synonyms at hole
蛀洞：因齲齒引起的牙內(nèi)蛀洞區(qū)參見 hole

來源：
French cavité
法語 cavité
from Late Latin cavit3s
源自 后期拉丁語 cavit3s
from Latin cavus [hollow] * see keu…-
源自 拉丁語 cavus [空的] *參見 keu…-