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拿两张报纸,使它们相距2厘米左右,用力向它们之间的空隙吹气,就会发现一个奇怪的现象,报纸之间的距离不但没有扩大,反而在缩小,这是为什么呢?
Take two newspapers so that they are separated by about 2 centimeters. If you force your breath into the space between them, you will find a strange phenomenon. The distance between the newspapers has not been expanded but has been shrinking. Why is this?