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
Eight-six. Big boy!
八磅六。是个大婴儿！
My father had an interview with the principal to discuss my work.
我父亲会见校长讨论我的功课情况。
What are those?
那些是什么？