Chalopyrite
[电] 黄铜矿
🗣️ 情景例句
I can't put my finger on what exactly makes a written piece a classic.
我不知道什么使一篇著作成为经典。
Can you guess what I was doing this morning?
你能猜到今天上午我在做什么吗？
No, I'm Mr. Brown.
不对，我是布朗先生。