Hexanedione
[化] 己二酮
🗣️ 情景例句
Think globally, act locally.
放眼全球， 从自身做起。
Delivery costs will have to be borne by the manufacturer, I'm afraid.
运费恐怕要由制造厂商来承担。
I thought I put it in my coat, but it isn't here!
我想我把它放在大衣里，可现在不见了！