Nnp
[医][=n-nitroso-piperidine]n-亚硝基替哌啶
🗣️ 情景例句
I do, too. I come here often.
我也是。我常来这 。
Three times a week I have to walk all the way to the gym for my Phys Ed class.
一周有三次，我为了参加体育课而必须走路到体育馆。
You really have an ear for pop music.
你确实对流行音乐很有欣赏力。