Thoreaulite
钽钖矿; 钽钖矿
🗣️ 情景例句
Remember to lock your door and windows when you leave the house.
出门前记得锁好门窗。
I hope so.
我希望是这样。
Had he worked harder, he would have gotten though the exams.
如果他努力了的话，他就会通过考试的。