Alkylene
亚烃基, 烯化, 烷撑
🗣️ 情景例句
Have they made it up yet?
他们和好了吗？
No, it isn't. Yes, it is.
不，它不是。 是的，它是。
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。