Diethylidene
[化] 二亚乙基; 2-丁烯
🗣️ 情景例句
Claims, if any, must be made within 30 days after the arrival of the goods.
索赔必须在货物抵达目的地后30天内提出。
This kind of box is not suitable for the transport of the tea sets by sea.
这种箱子不适合装茶具海运。
I want to have a part-time job.
我想有一份兼职工作。