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
a way to encourage reading.
鼓励阅读的办法。
Do you have any toys?
你有玩具吗？
As quickly as she could,Miss Zhou got a medicine box.
赵小姐忙取来药箱。