SOS:谁能围绕“knowledge has bitter roots but sweet fruits”提供演讲稿,时间为一分钟,

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SOS:谁能围绕“knowledge has bitter roots but sweet fruits”提供演讲稿,时间为一分钟,

给你一篇:We wake up early before dawn,and go to school with chill and strong rain.In order to solve a problem,we calculate,look into information,discuss with people,experiment,even failing many times...