Naf
abbr. negative acting factor 负作用因子; nonappropriated funds 非拨入经费
🗣️ 情景例句
Weren't they going to be here this morning?
他们不是今天早上要来这儿吗？
We are even.
我们扯平了。
The race gave everyone a great deal of pleasure.
这次比赛使每个人都挺开心。