Melanothallite
羟氯铜矿
🗣️ 情景例句
She's having an illicit affair.
她有一个不道德的丑事。
May I borrow your pencil?
我能借你的铅笔吗？
The woodcutter replied: I'm going to cut this tree down.
伐木工人回答说：“我要把这棵树砍倒。”