Diaminoditolyl
二甲基二氨基联苯
🗣️ 情景例句
My car broke down on the road.
我的车在路上抛锚了。
I tried to call Mr. Cooper,but the line was busy.
我试着呼叫库珀先生，但是线老是忙。
Your English is improving little by little.
你的英语正在渐渐提高。