Nitrito-
[化] 亚硝酸; 亚硝酸基
🗣️ 情景例句
It's only natural that if I care about Michelle
假如我关心 Michelle
An ounce of prevention is worth a pound of cure.
预防胜于治疗。
I have a letter of introduction here.
我这儿有一封介绍信。