Nac
abbr. 网络准入控制（Network Admission Control）；全国航空委员会（National Air Council）；负导纳变换器（Negative Admittance Converter）；北大西洋公约理事会（North Atlantic Council）
🗣️ 情景例句
I could tell something was up by the look on their faces.
我一看他们的脸色就知道有事。
You can forget that!
你别想了吧！
Thank you. Goodbye.
谢谢。再见。