Dibutoxy
二丁氧基
🗣️ 情景例句
I run my own company. I'm a big fish in a little pond.
我经营自己的公司。我是一条小池里的大鱼。
My sister has been engaged for two months.
我的姐姐订婚有2个月的时间了
I can see you have put a lot of time into it.
我相信你在制定这个计划上一定花了不少精力吧。