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
Oh, here. On the ground floor we have the reception area ...
噢 看这个。在楼下 我们会有一个接待区……
What would you do if I told you I was going to quit my job?
如果我告诉你我准备辞职，你会怎么办？
that a series of deep soundings was obtained in the Atlantic and the first samples were collected by dredging the bottom.
才在大西洋测得一个个海水深度，同时通过挖掘海底，取得了研究海底的首批样品。