Diarylamine
[机] 二芳香基氨
🗣️ 情景例句
What are your major and minor subjects?
你主修和副修什么科目？
Knavery may serve,but honesty is best.
欺诈可能有用，诚实却是上策。
Every day he does the same thing. Why doesn't he use the lift for the last three floors?
每天他都这样度过。为什么上最后3层楼他不用电梯呢？