Silice
二氧化硅
🗣️ 情景例句
And it wasn't just ice cream, was it?
这惊喜还不仅是冰淇淋， 对吗?
Look before you leap.
三思而后行。
Punctuality is a necessary habit in all public affairs in civilized society.
准时是文明社会中进行一切社交活动时必须养成的习惯。