Pit corrosion
[化] 点蚀
🧩 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
When was it built?
它是什么时候建造的？
It's not gonna work.
行不通的啦！
No, it isn't.
不，不是！