Diaminodiphenyl
二氨基联苯
🗣️ 情景例句
You haven't changed much in fifty years.
你五十年来没有什么变。
The man thinks he has it made.
这个人想要自己制作它。
He's picking the apples on that tree. He's putting them in a basket.
他在摘那棵树上的苹果。他正在把苹果放进一只篮子里。