Diphenylamine
n. [化]二苯胺
🗣️ 情景例句
If you need anything, just ask.
假如你需要什么尽管讲。
In college I majored in economics, What was you major?
大学时我主修经济，你主修什么呢？
I like lamb,but my husband doesn't.
我喜欢羔羊肉，可我丈夫不喜欢。