Rickardite
碲铜矿
🗣️ 情景例句
left to right.
从左到右轮流玩。
Someone is working in the manhole.
有人在
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？