Cnas
abbr. Chief of Naval Air Services 海军航空服务主管; Civil Navigation Aids System 国内航海援助系统
🗣️ 情景例句
You had better study hard.
你最好努力学习。
He brushes his teeth.
他在刷牙。
That sounds a great idea. Good luck with your trip!
听起来真是个好主意。祝你一路顺风。