Rittingerite
砷硒银矿
🗣️ 情景例句
Is there anyone present who can show
在座可有人能提出
I didn't read the whole paper, headlines.
我没有看到报纸的全部，我只是大概看了标题。
Every day he does the same thing. Why doesn't he use the lift for the last three floors?
每天他都这样度过。为什么上最后3层楼他不用电梯呢？