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赣州丽人医院韩式隆鼻多少钱周助手

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栏目简介:;Shanghai Live; focuses on big events in the city and major issues around the world, and presents them in a practical and audience-friendly manner to meet the ever-evolving needs of Shanghais English-speaking viewers,both local and expatriate.《直播上海英语电台》集中报道城市大事件以及全球热点话题,并以观众喜闻乐见的方式呈现给大家,从而满足上海本地以及上海海外人士的英语需求。201508/393739The first emperors pursuit for immortality秦始皇一心想长生不老stemmed from his megalomania.是因为其性格的狂妄自大He had conquered and created他创建了一个史无前例this vast, never-seen-before empire,幅员辽阔的国家and he thought he would rule forever.就妄想永久地统治它But he could not cheat death.但他无法战胜死亡Aged 49, shi huang di,秦始皇 中国的第一位皇帝Chinas first emperor, dies.在其四十九岁那年驾崩Hes buried in a tomb stretching 20 square miles,他被安葬于一个二十平方英里的陵墓里But he does not journey to the afterlife alone.但在另一个世界中他并不孤单With him go the wives who failed to bear him children.未曾生育过的妃嫔为他陪葬And hundreds of craftsmen,为了掩盖墓穴的秘密buried alive to keep the secrets of his tomb.几百名工匠被活埋And guarding their emperor,为了守卫地下王国An extraordinary force of 8000 soldiers.还特意建造了八千兵士The terracotta army.这就是兵马俑201509/400991栏目简介:《英语视频之Top10》是英语视频听力下的子栏目,栏目包含中英字幕,而且能够了解世界上10大新奇或者有意思的事物,比如奇葩犯罪记录、科学骗局、邪恶老师等,通过简单有趣的讲述,能够提高学习英语的兴趣,积累一些英语知识,是比较生动的英语学习材料。201511/407386

But time is like a river in another way.不过时间似流水还有另一层含义It flows at different speeds in different places.其在不同地点有着不同速度And that is the key to traveling into the future.而这正是穿梭于时间的关键所在The idea was proposed by Albert Einstein这一概念在100多年前over 100 years ago.由阿尔伯特·爱因斯坦提出He realized that there should be places where time slows down他认为时间在一些地方会减慢and others where time speeds up.而在另一些地方则会增快He was absolutely right,这话可是千真万确and the prove is right above our heads, up in space.据就在我们头顶的那片太空中This is the Global Positioning System, or GPS.这是全球定位系统,又叫GPSA network of 31 satellites是由绕地球轨道运行的in orbit around the earth.31颗卫星形成的网络The satellites make satellite navigation possible.正是这些卫星使卫星导航变为可能But they also reveal that time runs faster up here但同时也表明than it does down on earth.在这里时间流逝得比地球上快Inside each spacecraft is a very precise clock.每个航天器内都有一个十分精确的时钟But despite being so accurate,尽管已经十分精确 they all gain around但他们每天都大约会走快a third of a billionth of a second every day.十亿分之一秒的三分之一The system has to correct for the drift.系统必须更正这一偏差Otherwise that tiny difference would upset the whole system,否则这细微的差异会扰乱整个系统causing every GPS device on earth致使地球上所有GPS设备to go out by about six miles a day.每天出现约6英里的误差You can just imagine the mayhem that would cause.其引起的混乱可想而知The problem doesnt lie with the clocks.问题并不在于时钟They run fast because time itself runs faster here than时钟走得快是因为在这里时间本身it does down below,就比在地球上快and the reason for this extraordinary effect产生这种奇异现象的原因is the mass of the earth.在于地球的巨大质量Einstein realized that matter drags on time,爱因斯坦意识到,物质滞延时间slows it down like the slow part of a river.像河流的缓流部分那样令时间减速The heavier the object, the more it drags on time,物体越重,滞延时间越长and this startling reality这一惊人的事实is what opens the door to the possibility of time travel to the future.打开了一扇穿越未来的希望之门I admit this is a difficult concept to understand,我承认这个概念很难理解so lets take a simple example.所以让我们来看一个简单的例子This is the Great Pyramid of Giza.这是吉萨的大金字塔It weighs over 40 million tons,重达4000多万吨and like all heavy things,与其他所有沉重的物体一样its actually slowing down time.它会减慢时间The effect is small,不过影响微弱billions of times smaller than that of the earth.只及地球影响力的几十亿分之一But if we exaggerate it drastically,但是如果大幅放大这种影响You can see the principle at work.就能看到这种原理在起作用201507/386415

TED演讲集 那些匪夷所思的新奇思想201603/429355

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