Pit cavity
[医] 点龋
🧩 词语组成解析
pit
[pit]
n. 井;煤矿;麻子;（赛车道旁的）修理加油站;
vt. 使有麻子;使有凹陷;
vi. 凹陷;起凹点;
🗣️ 情景例句
Are you ready for this?
想听着。
Deliberating is not delaying.
慎思不是拖延。
Some types of birds cannot fly.
有些种类的鸟不会飞。