Silice
二氧化硅
🗣️ 情景例句
Today is the twelfth. Why?
今天是十二号。怎么？
Why did you hate it so much?
为什么你那么恨它？
There is no social problem it is more incumbent upon us to understand than this of the role of custom.
而没有任何一个社会问题比得上风俗的作用问题更要求我们对它理解。