Nack
abbr. 否定应答（Negative Acknowledgement）
🗣️ 情景例句
I see. Well, it's very nice to meet you, Mr. Wrigley.
哦！我也很高兴认识您，威格莱先生。
These buildings are supposed to be earth quakeproof.
这些建筑物是耐震建筑才对。
You may be interested in only some of the items.
你也许对某些产品感兴趣。