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• Howcouldwetelltimeiftherewerenowatchesorclocksanywherei...

• 问题详情：Howcouldwetelltimeiftherewerenowatchesorclocksanywhereintheworld?Thesunwasprobablytheworld’sfirst“clock”,exceptinthefarnorth,wheretheEskimos(爱斯基摩人)live.There,it’sdarkmostofthewinter,andlightmostofthesummer.Butinmostoftheworld,peopleh...
• 2020-02-215829