Methacrol
麦撒克罗(润滑剂)
🗣️ 情景例句
Well, Grandpa wanted me to study engineering, like him.
嗯 ，爷爷希望我像他一样学工程。
Knowledge makes humble; ignorance makes proud.
知识令人谦虚；无知使人骄傲。
Fifteen policemen had to push very hard to get him off the main street.
15个警察不得不用很大的力气把它推离主要街道。