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
Hello, thank you very much for coming to my home.
你好，多谢你大驾光临我的寒舍。
Witch pleasure.
很高兴。
The city was equipped with a drainage system, for a great many clay pipes were found beneath the narrow streets.
城里甚至还敷设了排水系统，因为在狭窄的街道底下发现了许许多多陶土制作的排水管道。