Cyclobutene
[机] 环丁烯
🗣️ 情景例句
A man next to me was smoking,and smoke really bothers me.
我旁边的那个人抽烟，我受不了。
Bet you can't catch me.
打赌你无法捉到我。
Lily, do you have a ruler?
莉莉，你有尺子吗？