• 密苏里州弗格森提名黑人担任警局临时主管

    15-07-23 Authorities in Ferguson, Missouri have named, a black police commander from Arizona as the new interim chief to lead the city's police department. 密苏里州弗格森政府提名来自亚利桑那州的一位黑人警长作为新的临时主管来领导该市的警察局。 Andre Anderson...

  • 宇宙中隐藏着超重黑洞

    15-07-07 Astronomers have found evidence for a large population of hidden supermassive black holes in the Universe. Using NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) satellite observatory, the team of international scientists detected the high-ener...

  • 黑洞可能是研究暗物质理想的实验场所

    15-06-26 A new NASA computer simulation shows that dark matter particles colliding in the extreme gravity of a black hole can produce strong, potentially observable gamma-ray light. Detecting this emission would provide astronomers with a new tool for unders...

  • 宇宙曙光中发现超级黑洞

    15-02-27 Scientists have discovered the brightest quasar in the early universe, powered by the most massive black hole yet known at that time. The international team led by astronomers from Peking University in China and from the University of Arizona announ...

  • black lie 黑色谎言

    14-09-25 In contrary to white lies, which refers to well-intentioned lies, such as parents' lies about Santa Claus, black lies refers to malicious lies. 白色谎言指善意的谎言,比如父母关于圣诞老人的谎言。和白色谎言相反,黑色谎言指的是恶意的谎言。 White lies a...

  • 含有超重黑洞的已知最小星系

    14-09-20 A University of Utah astronomer and his colleagues discovered that an ultracompact dwarf galaxy harbors a supermassive black hole -- the smallest galaxy known to contain such a massive light-sucking object. The finding suggests huge black holes may...

  • Don't bother me 别烦我

    14-07-09 One day a kind man met a panicky little boy in his neighbor-hood when he was going home from his office. He noticed that the boy seemed to have fought with other boys. He kindly said: Why do you have a black eye, little man? I am sorry to see that?...

  • 欧洲将完善黑匣子使用规则

    14-05-07 Europe's aviation watchdog has announced new proposals to make it easier to find flight recorders, known as black boxes, from missing planes. 欧洲航空监察机构宣布一些新措施,能更简单地寻找失踪飞机上的飞行记录器,即黑匣子。 The plans include extendin...

  • 霍金对黑洞提出全新解释

    14-02-16 Wait, so my life may not have disappeared down a black hole after all? 等等,你刚才是说,我不会被黑洞所吞噬? There is a chance for it to emerge and bloom like the career of David Hasselhoff? It's charming when a phrase enters the language and we th...

  • 纳尔逊·曼德拉经典语录

    13-12-09 Education is the most powerful weapon which you can use to change the world. 教育是最强有力的武器,你能用它来改变世界。 For to be free is not merely to cast off one's chains, but to live in a way that respects and enhances the freedom of others. 自...