Nack
abbr. 否定应答（Negative Acknowledgement）
🗣️ 情景例句
By the way, I'm Richard.
噢，我忘了说，我叫Richard。
You have to be operated on.
你得做手术。
One of the things that fascinates us most about cats is the popular belief that they have nine lives.
最使我们感兴趣的一件事情就是一种通俗的信念——猫有九条命。