Coppering
[建] 镀铜
🗣️ 情景例句
I know. I know.
我知道。我知道。
You can receive our program at short wave 37.5 MH.
你可在短波37.5赫兹上收到我们的节目。
I don't know! The address was on a piece of paper,but I can't find it now!
我不知道！地址在一张纸上，但现在找不着了！