Soddyite
硅铀矿
🗣️ 情景例句
Except for my grandfather.
除了我爷爷。
We use service centers at major stores. They ship goods back to our national service center for repairs.
我们采用大店服务中心，他们可把产品运送到我们的国内服务中心维修。
Imagine a pen attached to the weight in such a way that its point rests upon a piece of paper on the floor.
假定把一支笔拴在重物上，笔尖落在地板上的一张纸上，