Norad
abbr. 北美防空联合司令部（North American Air Defense Command）
🗣️ 情景例句
Would you please lead me to look around your factory?
您能领我参观一下工厂吗？
What's your nationality?I'm a native Australian.
我是土生土长的澳大利亚人，你的国籍是什么？
Really? What's it?
真的？是什么？