You cannot change the laws of physics ... but could physics actually enable us to travel through time? It might sound crazy, but according to Einstein s theories, there s no logical reason why time travel isn t possible and there are now scientists looking into it as a serious scientific proposal, at least at a theoretical level. 你无法改变物理学定律……但是物理学能否使我们在时间中旅行呢？这听上去或许像个痴想。但是根据爱因斯坦的理论，时间旅行在逻辑上不是不可能的。现在科学家正把它视为一个严肃的科学命题，至少在理论上如此。 编辑推荐：名师指导公共英语阅读考试技巧 公共英语pets三级全真模拟试卷 公共英语pets二级语法讲解汇总