Nacks
(nack 的第三人称 -s形式) abbr. 否定应答（Negative Acknowledgement）
🗣️ 情景例句
It was only a tummy ache.
仅仅是肚子有点痛。
Just a moment.
等一会儿。
Bison were killed for their meat, while their fur provided warm clothing during cold winters.
他们杀野牛，吃野牛肉，用野牛毛皮制成冬季御寒的衣服。