牛顿+苹果＝万有引力 The Making of Isaac Newton
据称艾萨克·牛顿爵士通过苹果落地，发现了万有引力。
Sir Isaac Newton supposedly discovered gravity through the fall of an apple.
只有秋天才能激发牛顿发现万有引力定律的灵感，除非那只传说中的苹果落得不合季节。
It had to be autumn (unless the fabled apple fell unseasonably) that inspired Newton to discover the law of gravity.
幻灯片出现：一篮子苹果—牛顿和万有引力。
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