Dien
[化] 二亚乙基三胺; 二(2-氨基乙基)胺
🗣️ 情景例句
Thank you.
谢谢 。
My sister graduated from high school.Graduation was last night.
我的姐姐从高中毕业了.毕业典礼是昨天晚上。
We have new methods like compensation trade and joint ventrue.
我们有补偿贸易和合资经营。