Crednerite
锰铜矿
🗣️ 情景例句
Richard! Welcome! Good luck tonight! Richard
欢迎 祝你今天晚上好运
The worker is pounding steel pipes to mend the leakage of water.
管道工为了修缮漏水而敲打着下水道的铁管。
Hello. You must be Dr Yang. How do you do? My name's David Lee.
嗨。你一定是杨博士吧。您好！我是大卫·李。