Cyclohexylidene
[建] 环己叉, 亚环己基
🗣️ 情景例句
What makes you work so hard?
什么使你这样卖命？
Sure. We are friends since primary school.
当然，我们从小学就是朋友了。
Just look at what you've done!
看看你都做了些什么！