Diethylenediamine
[化] 二亚乙基二胺
🗣️ 情景例句
I'll call you again later, OK?
我以后再打给你，好吗？
Each item is to be wrapped separately in gerase-paper.
每件货物应单独用油纸包好。
Did she buy them here?
她是在这儿买的吗？