1. Achilles and the Tortoise 1. 阿喀琉斯和乌龟 How could a humble tortoise beat the legendary Greek hero Achilles in a race? The Greek philosopher Xeno liked the challenge and came up with this paradox. 小乌龟如能跑赢希腊传奇英雄阿

发表于:2019-01-05 / 阅读(49) / 评论(0) 分类 英语新闻视频