N,n-dimethyl-p-phenylenediamine
[化] N,N-二甲基对苯二胺
🗣️ 情景例句
We have a live-in doctor if there's a problem I can't handle.
假如我遇到不能解决的问题 ,我们还有位驻家医生。
Tennis clothes are so cute!
网球装非常可爱。
Several girls stopped and looked in one of the glass-topped tables.
几个女同学停下来仔细看看陈列在一张带玻璃罩的桌子里的东西。
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