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
What are you doing?
在做什么？
The first wealth is health.
健康是最重要的财富。
He has tasted the sweets and bitters of life.
他已尝遍了人生的甜酸苦辣。