Diethylidene
[化] 二亚乙基; 2-丁烯
🗣️ 情景例句
I am sure you would like to know more about it.
我相信您一定想知道详情。
Many people go to gay New Year parties.
很多人都去参加新年派对。
Busmen have decided to go on strike next week.
公共汽车司机决定下星期罢工。