剑桥大学的三一学院门口有一颗很小的苹果树,早春的季节里树叶刚刚吐芽,隐隐地泛着绿色,和剑桥整个的无限春光相比,实在是不起眼。但在剑桥大学读书的人,都会把朋友带到这里来,老远就指着它郑重地介绍说,就是这颗小苹果树的祖宗老苹果树,在某一个夏天把果实掉到了牛顿的脑袋上。原来,对于当年那棵使牛顿领悟了方有引力定律的苹果树,英国人进行过无数的考证,甚 There is a small apple tree at the door of Trinity College, Cambridge. In the early spring season, the leaves just sprouted up, faintly green, and compared with the infinite spring of Cambridge, it was really inconspicuous. But those who study at Cambridge University will bring friends here. At a distant point, they pointedly pointed out that it was the ancestral apple tree of this small apple tree that fell to Newton’s head in a certain summer. on. It turned out that for the old apple tree that made Newton comprehend the law of gravitation, the British carried out countless verifications.