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
That's a great idea.
真是个好主意。
Some relative clauses in the contract have to be amended owing to the unexpected situation.
由于这种难以预料的情况，合同中的有关条款不得不做些修改。
The first settlers on the plains of America were Native Americans.
美洲平原上的首批定居者是美洲土著人。