Dien
[化] 二亞乙基三胺; 二(2-氨基乙基)胺
??? 情景例句
How many people will you be bringing?
你約了多少人來？
I don't think so. I know several convenient hotels. Let me make some calls.
我認為沒有，我知道有幾家便利旅館，讓我打幾個電話。
Did Huifang jump farther than Ann?
惠芳跳得比安遠嗎？