Dien
[化] 二亚乙基三胺; 二(2-氨基乙基)胺
🗣️ 情景例句
I saw a real shark.
我看到一条真正的鲨鱼。
Does this bus go to the beach?
这辆公共汽车去海滨吗？
The old farmhouse the family lived in was to be replaced by new $500,000 home.
这家人住的旧家舍将由一座价值50万美元的新住宅所取代。