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幼年的爱因斯坦在一次生病时,其父亲送了一个小罗盘给他。小爱因斯坦捧着罗盘不停地转动,发现那根红色的指针始终指向北
When his young Einstein became ill, his father sent him a small compass. Little Einstein holding the compass kept turning and found that the red pointers always point north