Olefine acid
[化] 烯酸
🧩 词语组成解析
[化] 烯烃; 链烯烃
🗣️ 情景例句
I do wish you wouldn't do that.
我希望你别那么做。
In shifts
轮流
After speaking for about half an hour he came to a sad part of the family history.
大约谈了半个小时之后，他谈到了家族史中的一件伤心事。