Ethenoid
乙烯型的
🗣️ 情景例句
I maintain that the most important thing is having good friends.
我认为最重要的是有好朋友。
Lemonade on a hot day is very refreshing.
在暑天喝柠檬水，会使人精神抖擞。
Yes. He wanted you to ring him.
留了。他要你给他打电话。