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第三回赤身裸体长街狂奔一对好友海边争论———比重与浮力的发现(上)数理化通俗演义(3)@梁衡@鲁青$黏土馆子工作室
The Third Naked Street Runs A Pair of Friends Beach Controversy——The Discovery of Proportion and Buoyancy (Part I) Mathematical and Popular Sports Romance (3) @ Liang Heng @ Lu Qing $Cream Pavilion Studio