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
He's the Dean of Admissions for the University of Michigan.
他是Michigan大学的新生注册主任。
The work shows the workman.
什么匠人出什么活。
In the letter he was asked to call at the station.
要他到警察局去一趟。