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红安县赵河乡卫华小学喻从立同学问:我们班里有个同学,用手捏住鼻子,耳朵就能出气。请问这是怎么回事?
Zhaohong Township, Hongan Primary School Yu Congli students asked: There is a classmate in our class, pinch his nose, ears will be out of gas. May I ask how is this going?