This sacred principle was the cause 这神圣的原则， for which Dr. King and so many other historic Americans sacrificed in places like Selma, Birmingham, Montgomery, and Memphis. 让金博士和非常多的历史人物牺牲在塞尔玛，伯明翰，蒙哥马利和孟
Son, it's time for bed. 儿子，该上床睡觉了。 But dad, I'm having such a good game. 但是爸爸，我正玩的开心呢。 James, it's far too late for boys of your age to be up. It's 12:37 at night. James，已经半夜12:37了，你不该那么晚还没睡。 But I'm
So for example, spontaneous synchronization, 例如自发同步现象， how audiences are clapping and suddenly start all clapping together, the fireflies flashing together. 观众是怎样鼓掌，怎样突然一起开始鼓掌的，萤火虫如何同步闪烁。 We can progr
