Diolefin
n. [化]二烯
🗣️ 情景例句
The food was terrible.
食物糟透了。
If I have time tomorrow,I think I'll get a haircut.
如果我明天有时间，我认为我应该理发。
Only a few kilometres. I think it's about seven. OK. We're all here, now.
谩Ｎ颐嵌嫉狡肓恕?