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
I'm going to talk to Daddy about it right now.
我现在就去跟爸爸谈谈这件事。
A cat has nine lives.
猫有九条命。
He has always been a good neighbour.
他一直是个好邻居。