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62天:【小牛顿-好奇小子】为什么汤圆煮熟会浮起
Episode 38

62天:【小牛顿-好奇小子】为什么汤圆煮熟会浮起

【小牛顿】科学开讲咯(6-12岁) · 小牛顿

February 8, 20162m 29s

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Show Notes

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来煮好吃的汤圆,注意看,汤圆还没煮熟前是沉在水底,煮熟后就浮了上来,小朋友,你知道这是为什么吗?