Euchroite
翠砷铜矿
🗣️ 情景例句
Excuse me. you got a minute?
对不起，能耽误你一分钟吗？
Who called a while ago?
刚才谁在打电话？
My grammar is improving, but I find idioms and useful expressions hard to learn.
我的语法在进步，但我发现习语和有用表达很难学。