Nfer
(nf 的比较级) [电] 千亿分之一法
🗣️ 情景例句
They had a special on frozen fish down at the supermarket.
超级市场 冷冻鱼特价。
I'd better be going.
我得告辞了。
Excuse me. May I have a piece of paper, please?
请问，我可以要一张纸吗？