Diphenyldiimide
二苯基二酰亚胺
🗣️ 情景例句
While my car is in the shop, they have given me a courtesy car to drive around.
我的车还在修理店时，他们给我一辆替代车用。
I know the boy whose father is a writer.
我知道那个男孩的父亲是作家。
Who is he?
他是谁？