Cyclohexenylene
[建] 环己烯醇
🗣️ 情景例句
You don't?
你没打？
Congratulations on your happy new year.
我恭喜你新年快乐。
I used to travel by air a great deal when I was a boy.
我在幼年的时候，曾多次乘飞机旅行。