Dipentene
二戊烯
🗣️ 情景例句
There are four of us including my parents, a younger sister and me.
有四口人，父母亲、妹妹和我。
I've had no time to prepare for this meeting, so I'll have to play it by ear.
我没有时间来准备这次会议，所以只好有什么说什么。
The moment you leave this tent, you will get a big surprise.
您一走出这个帐篷，就会大吃一惊。