据说“Keep calm and carry on.”这句英语和英国二战的一段小历史有关,求来历.

keep calm and carry keep calm and carry keep calm and carry keep calm and carry keep calm and carry keep calm and bake keep calm and stay sexy keep calm and stay sexy 据说“Keep calm and carry on.”这句英语和英国二战的一段小历史有关,求来历. keep calm and fus ro dah. keep calm and carry on怎么读 Keep calm,sleep and forget the world. keep calm and grow a mustache是什么 Keep Calm and Drink Up怎么样 Keep Calm and Drink Up怎么样 keep calm and carry on 啥意思呢 Debbie could hardly keep still 改成calm and quiet keep calm and love reading 为题的英语作文怎么写?