Neohexene
新已烯, 二甲基丁烯
🗣️ 情景例句
She has an attractive figure.
她有迷人的曲线。
I don't know what time it is.
我不知道现在几点钟。
No, thank you. Thanks for all your help.
不必了，谢谢。谢谢你帮了我大忙。