Algodonite
微晶砷铜矿
🗣️ 情景例句
Good work, gang.
做得很好 ，大伙儿们。
If two men ride on a horse, one must ride behind.
两人同骑一马，必有一人在后。
His parents did not know what was wrong.
他的父母亲不知道他有什么毛病。