Dialkyl
[机] 二烷基
🗣️ 情景例句
Why are you leaving your present job?
你为什么要放弃目前的工作？
OPPS!
哇！
Before Annie Sullivan came to our house, one or two people had told my mother that I was simple-minded.
安妮·莎利文来到我们家之前，已有一两个人告诉我母亲，说我头脑简单。