Diethylidene
[化] 二亚乙基; 2-丁烯
🗣️ 情景例句
Think globally, act locally.
放眼全球， 从自身做起。
Hard to pass up.
不买可惜。
What about vegetables, Sir? They usually go bad as soon as we are at sea.
那些蔬菜怎么办呢，先生？通常是刚一出海它们就会坏掉的。