科研之友
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摘要
<正>三位年轻的发明者用自己的聪明才智发明了一种神奇的"雪橇鞋"。一起看看此项发明的背景、过程和奇特功能吧!The interviewer: Today we have three young inventors who are going to introduce us to their new invention. Welcome! Liu Zhaochen, Wang Yue and Luan Jingcheng! Our audiences can’t wait to learn about your new shoes!
