Naf
abbr. negative acting factor 负作用因子; nonappropriated funds 非拨入经费
🗣️ 情景例句
Nice day, isn't it?
天儿真不错，你说呢？
He is a doctor. He has his own practice.
他是个医生，他自己开业。
When he landed near Dover, the first person to greet him was a local policeman.
当他在多佛着陆后，第一个迎接他的是当地一名警察。