Nack
abbr. 否定应答（Negative Acknowledgement）
🗣️ 情景例句
I need a CD-ROM recorder.
我想要一个光盘刻录机。
Did you work all day?
你整天工作吗？
Many people prefer living in the country to living in the town.
许多人喜欢住在农村而不喜欢住在城市。