Nnp
[医][=n-nitroso-piperidine]n-亚硝基替哌啶
🗣️ 情景例句
Outstanding work.
做得太棒了。
No,I wasn't .
不，我没有在这里。
Dressed in dark glasses and old clothes, they had taken special precautions so that no one should recognize them.
他们戴着墨镜，穿着旧衣裳，特别小心以防别人认出他们。