Silicolite
[化] 硅质岩
🗣️ 情景例句
Yes, indeed.
是的 ，原来如此。
From all listed prices we allow a discount of 10 percent on orders received on or before 31st May.
5月31日或此前收到的订单，我们都按价目单上的价格给10%的折扣。
Excuse me. Are you a new student?
请问，你是新同学吗？