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水分子的力气原来这么大！这么多硬币都能拉住！老肉实验室
这个实验向大家展示水分子的附着力有多大！
那些神奇的科学小实验4/13
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App04:02打开App观看
这个实验向大家展示水分子的附着力有多大！
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