Norad
abbr. 北美防空联合司令部（North American Air Defense Command）
🗣️ 情景例句
Where's the bag with the chicken salad sandwiches?
放鸡肉沙拉三明治的袋子在哪？
Sure. Should I check your radiator?
好的。要不要检查一下散热器？
Nobody phoned me, did they?
没人来电话，对吧？