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有趣的科学难题：你认为最柔软的事物是什么？
source link: https://tech.sina.com.cn/d/v/2020-04-22/doc-iirczymi7679807.shtml
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新浪科技讯北京时间4月22日消息，据国外媒体报道，世界上有很多柔软的事物：猫的毛发、婴儿皮肤、专业洗涤后的毛衣。如果有一种万能的柔软度指南，将宇宙中任何事物按照柔软度进行排序，以上3种事物肯定会在前列。当然，这种柔软度指南是很难收集的，因为
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