Decoppering
除铜
🗣️ 情景例句
I know that you do a very big international business,
我知道贵公司在国际贸易方面的生意做得很大，
Do you usually work at the restaurant after school?
你通常在放学后在餐厅工作吗？
He invited me to dinner yesterday.
他昨天请我吃晚饭了。