Trichalcite
丝砷铜矿
🗣️ 情景例句
So I have a good idea about your financial situation.
所以， 我对你们的财务状况很了解。
You look more rested than I've seen you before.
你比上次我看到你的时候精神多了。
Thanks very much. I must go!
谢谢，我必须走了。