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纸飞机总飞不远?这次带你做一个“永不落地”的纸飞机 | 正经玩
小时候教室里总是纸飞机满天飞为了飞的更远出现了各式各样的纸飞机那么有没有一种纸飞机能够永不落地呢?有的兄弟有的!实验器材A4纸、剪刀、大纸板、所标杯实验步骤第一步:折纸飞机将一张A4纸对折,并剪下一个等腰直角三角形。将三角形沿中线对折,展开后,将顶角 ...
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今日热点
Return to Earth
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JFK files to be released
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