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document.writeln(" 2024-10-12 20:15:52
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冷知识:由于热胀冷缩的原理,在夏天,埃菲尔铁塔会因为金属的膨胀而“长高”6到15厘米!");
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document.writeln(" 2024-10-13 10:25:55
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巴黎的名字原来不是“巴黎”,而是“卢泰提亚”(Lutetia)。直到公元360年左右,它才被改名为“巴黎”。");
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