Dlaidinization
[建] 反油酸重排作用
??? 情景例句
We had a good time.
我們玩得很愉快。
When are you off?
你什么時候動身？
I joined in the march and we were marching peacefully along and then the police came up.
我參加了游行，我們以和平的方式往前行進，這時警察突然來了。