Diolefine
[化] 二烯; 二烯属
🗣️ 情景例句
Did you watch the football game between Manchester United and Arsenal last night?
昨晚你看了曼联对阿森纳的足球比赛吗？
We're jumping about in excitement at the discovery.
我们因为这一发现而兴奋得手舞足蹈。
It is eight o'clock.The children go to school by car every day, but today, they are going to school on foot.
现在是8点钟。孩子们每天都乘小汽车去上学，而今天，他们正步行上学。