时间:2019-02-17 作者:英语课 分类:万物简史


英语课

   His famous equation, E =mc 2 , did not appear with the paper, but came in a brief supplement that followed a few months later. As you will recall from school days, E in the equation stands for energy, m for mass, and c 2 for the speed of light squared.


  他著名的等式E=mc^2在这篇论文中没有出现,但出现在几个月以后的一篇短小的补充里。你可以回忆一下学校里学过的东西,等式中的E代表能量,m代表质量,c^2代表光速的平方。
  爱因斯坦拉小提琴
  In simplest terms, what the equation says is that mass and energy have an equivalence. They are two forms of the same thing: energy is liberated 1 matter; matter is energy waiting to happen. Since c 2 (the speed of light times itself) is a truly enormous number, what the equation is saying is that there is a huge amount—a really huge amount—of energy bound up in every material thing.
  用最简单的话来说,这个等式的意思是:质量和能量是等价的。它们是同一东西的两种形式:能量是获释的质量;质量是等待获释的能量。由于c^2(光速的平方)是个大得不得了的数字,这个等式意味着,每个物体里都包含着极其大量——真正极其大量——的能量。

a.无拘束的,放纵的
  • The city was liberated by the advancing army. 军队向前挺进,解放了那座城市。
  • The heat brings about a chemical reaction, and oxygen is liberated. 热量引起化学反应,释放出氧气。
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