你没听说过“徐福东渡”吗？就是秦始皇让徐福带着三千童男童女去找长生不老药，后来他们就定居日本了，徐福他们就是日本人的祖先！
nǐ méi tīngshuō guo “Xú Fú dōngdù ”ma ？jiùshì Qínshǐ huáng ràng Xú Fú dài zhe sānqiān tóngnántóngnǚ qù zhǎo chángshēngbùlǎo yào ，hòulái tāmen jiù dìngjū rìběn le ，Xú Fú tāmen jiùshì rìběnrén de zǔxiān ！
You've never heard of ''Xu Fu's Voyage to the East?" That was when Qin Shihuang had Xu Fu take 3000 young men and women to look for an immortality medicine. Afterwards, they settled in Japan. Xu Fu and his crew are the ancestors of the Japanese people.