Dialkene
二烯烃
🗣️ 情景例句
He made a favorable impression on her father.
他给她的父亲留下了很好的印象。
I'm going to lend her two cans.
我要借给她两罐。
When a passing tanker rescued them five days later,
5天后，一条油轮从那儿路过，搭救了他们。