Hexadiene
[机] 己二烯
🗣️ 情景例句
Thanks for inviting me to the dinner. I'm looking forward to it.
谢谢你邀请我一起吃晚饭，约会日期早些到就好了。
Two heads are better than one.
集思广益。
What's the matter, children?
怎么啦，孩子们？