洋洋
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ngyang(王洋洋),PAN Xin②,GAO Jinji,WU Haiqi(*Beijing Key Laboratory of Health Monitoring and Self-recovery for High-end Mechanical Equipment,Beijing University of Chemical Technology,Beijing 100029,P.R.China)(**Key Laboratory of Engin
High Technology Letters 2022年4期2022-02-11
- Learn to Swim
毛洋洋One day,my brother and I went swimming.We changed the clothes and jumped into the swimming pool. But I couldnt swim, so first brother taught me how to swim. After a few minutes, I could swim. My brother swam to me and said, “Gr
读写算·高年级 2009年5期2009-06-15