Silicoide
硅质矿物
🗣️ 情景例句
Yes. They reached us yesterday.
是的，昨天我们收到这批货物。
Sorry, it's broken. You have to use the stairs.
对不起，它坏了，你只能走楼梯了。
How was this possible?
这种传递是怎样进行的呢？