Ulrichite
方铀矿
🗣️ 情景例句
He will say so, and you may disagree with him too - politely, of course!
你也可能会不同意他的看法——当然，你应该礼貌地告诉他。
I can't fasten this collar button.
我不能扣住这个领子钮扣。
German is a more difficult language than English is.
德语比英语难学。