By their very definition,black holes are 1) objects which are not supposed to 2) emit anything .It therefore seemed that the area of the 3) event horizon of a black hole could not be regarded as its 4

发表于:2018-11-28 / 阅读(127) / 评论(0) 分类 疯狂英语2002年

Travis--colder~~ i'm in love with everything with every face i've ever seen and every place i've ever been has left its mark upon my worries i color in the world i see i pick apart the melody 'cause maybe there's a symphony caught inside but there's

发表于:2019-01-10 / 阅读(94) / 评论(0) 分类 E乐吧

Exercise 6-4: Zbigniew's Epsilon List CD 3 Track 46 Repeat after me. 图片1 图片2

发表于:2019-01-15 / 阅读(32) / 评论(0) 分类 标准美语发音的13个秘诀 CD3

Why does salt dissolve in water but oil doesn't? 为什么盐可溶于水而油却不行呢? Well, in a word,chemistry. But that's not very satisfied, isn't it? 总的来说,是化学作用。但这并不令人满意,对吧? Well, the reason

发表于:2019-01-17 / 阅读(37) / 评论(0) 分类 TED演讲教育篇

In 1875, when a young German in Kiel named Max Planck was deciding whether to devote his life to mathematics or to physics, he was urged most heartily not to choose physics because the breakthroughs had all been made there. The coming century, he was

发表于:2019-01-29 / 阅读(49) / 评论(0) 分类 万物简史

Even an Epsilon Lenina suddenly remembered an occasion when, as a little girl at school, 即使是爱扑塞隆列宁娜想起了一件事。那时她还是小姑娘,还在学校里读书。 she had woken up in the middle of the night and become awa

发表于:2019-01-29 / 阅读(39) / 评论(0) 分类 美丽新世界