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星期天，我看见一本书上写着有关于“大气压力”的实验————“纸能托住水”，心中已动心了，准备马上做一下。 On Sunday, I saw a book written about the experiment of "atmospheric pressure" -- "paper can hold water". My heart was moved and I was ready to do it right away. 我从酒柜上拿出一个玻璃杯，一张纸。我在杯子里放了半杯水，又取了半张纸，把纸盖在玻璃杯上，马上倒了过来，“哗”一声，水全流了出来，实验失败，我有一点灰心丧气了，心中想“为什么别人一下就能成功而我却一次成功不了呢？”我决心再做一次，把杯子装满水，用纸片盖好，左手按住纸片，右手将杯子小心地举起，快速地倒转，当杯口朝下时，又小心地放下左手。嘿！“我成功了”我手舞足蹈起来。 I took a glass and a piece of paper out of the cupboard. I put half a glass of water in the glass, took half a piece of paper, put the paper on the glass, and immediately turned it over. "Wow" a sound, the water all flowed out, the experiment failed, I was a little frustrated, thinking "why can others succeed in a moment, but I can't?" I'm determined to do it again, fill the cup with water, cover it with paper, hold the paper with my left hand, carefully lift the cup with my right hand, turn it back quickly, and carefully put down my left hand when the cup mouth is down. Well! "I made it" I danced. | 
