Matildite
硫银铋矿
🗣️ 情景例句
Hi.
嗨。
I don't know about the rest of you, but I'd like a break.
我不知道你们是否要休息，但我想休息片刻。
Will you please sweep the floor and tidy the classroom every day?
请你们每天都打扫地板、整理教室，好吗？