Dien
[化] 二亚乙基三胺; 二(2-氨基乙基)胺
🗣️ 情景例句
You're welcome anytime.
欢迎你随时来玩。
Fishing is often frustrating.
钓鱼常常会遭到挫败。
The man took heart and, sure enough, on New Years' Eve he was able to hobble along to a party.
果然，除夕时他可以一瘸一拐地去参加晚会了。