Decoppering
除铜
🗣️ 情景例句
Uh, it's four-thirty. Oh my!
啊 ，已经四点半了。啊 ，天啦！
How long does it take to get there?
到那里要多少时间？
Excuse me, please! Which is the way to the North Street Hospital?
请问，去北街医院怎么走？