Chalcocitization
辉铜矿化(作用)
🗣️ 情景例句
You're a real Stewart.
你是个真正的Stewart家后代。
Nothing comes from (or of) nothing.
无风不起浪。
He say he's just arrived in Scotland. He says he's staying at a Youth Hostel.You know he's a member of the Y.H.A.
他说他刚到苏格兰。他说他住在一家青年招待所。你知道，他是“青招协”的一个成员。