Ethylsulfonylethanol
[化] 乙磺酰基乙醇
??? 情景例句
What?
什么？
He that would the daughter win,must with the mother first begin.
要想贏得女兒的歡心，必須先從她母親著手。
It's a pleasure. What time is it by your watch, please?
不客氣。請問，你的表幾點了？