Diolefin
n. [化]二烯
🗣️ 情景例句
Active Sports is getting a solid reputation for having top of the line products.
Active Sports的产品质量上乘，而且取得了很好的声誉。
Off base!
太离谱了吧！
Several people complained of cat-like noises' at night and a businessman on a fishing trip saw the puma up a tree.
有人抱怨说夜里听见“像猫一样的叫声”；一位商人去钓鱼，看见那只美洲狮在树上。