原标题: 贵阳/市第三人民医院做结扎复通99中文
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 Shanghai#39;s 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。 Article/201504/366828Hi, I#39;m Jessica嗨,我是Jessicaand I#39;m gonna be talking about a chemical demonstration today that今天我要讲的化学演示I like to call let it snow叫作;下雪;MIT#39;s Dr. John DolhunMIT的John Dolhun士here he is这就是他了and his assistant Arielle are going to perform 2 magic tricks他和助手Arielle将演示两个神奇的实验involving superabsorbent polymers用到高吸水性聚合物Let#39;s watch as they show us the first one at the Cambridge Science Festival首先来看剑桥科学节上他们所演示的第一个实验What I#39;m going to do is I#39;m going to pour some water我将倒一些水into the beaker that she#39;s holding到她所拿的烧杯and you keep your eyes on the beaker你们看好烧杯里的情况Bring it down just a bit往下拿一点Hold it for me拿好了Turn it to them拿给观众看We are making snow我们在造雪We#39;re making snow today, Arielle我们正在造雪 ArielleOh boy乖乖It#39;s so cold and wet. It#39;s just like real snow它又冷又湿,就像真雪一样Look看So what happened?发生了什么呢Well, Arielle was holding a beaker containing some sodium polyacrylateArielle所拿的烧杯中装有聚丙烯酸钠which is a polymer这是一种聚合物Now a polymer is a big molecule that#39;s a chain of repeating units聚合物是一条由重复单元组成的长链分子This is the unit这是重复单元And this is what it looks like in a chain这是它们组成链的情况Now different chains are held together by crosslinks不同的链由交联连在一起The etc just means that this could be thousands of carbons long etc(等等)表示这里可以有数千个碳那么长This is just a small part of the chain in the polymer这只是聚合物链中的很小一部分Now when water is added to the polymer当水被加入到聚合物中时it wants to rush into the material水会希望涌入到物质中because of the presence of so many sodium and carboxylate ions因为这里有很多钠离子和羧酸根离子The water displaces the sodium ions水会结合并移走钠离子leaving negatively charged carboxylate ions剩下带负电荷的羧酸根离子 Article/201501/356564

TED演讲视频:更多精 野化世界在美国黄石国家公园,曾经栖息着土生土长的狼群,直到有一天,狩猎者将它们驱逐殆尽。然而到了1995年,(由于一个激进的管理项目)狼群开始重新回归,一些有趣的现象出现了:黄石国家公园找到了一个新的更有益的生态平衡。在一个大胆的思维试验中,乔治·蒙构想了一个更野化的世界,在这个世界里,人类开始恢复那失去的复杂且自然的食物链。 Article/201702/492352That#39;s the problem with comets.那一定是彗星惹的祸They#39;re creators and destroyers彗星是创造者,同是也是毁灭者as the dinosaurs the hard way就像恐龙的遭遇This is the needle in the cosmic haystack这就是那根宇宙海洋里的针the closest we#39;ve come to a habitable solar system like our own是最像我们太阳系的那样适宜生存的太阳系but it#39;s a chance encounter.但这只是碰巧而已There could be hundreds宇宙中可能有上亿个millions more solar systems like this out there or none at all.类似的太阳系,也可能一个都没有Some of the atmosphere on this planet, Bellerophon行星柏勒罗丰的大气层is being boiled away by its nearby star.正在被它附近的恒星蒸发掉From Earth, we can#39;t see planets this far out.我们在地球看不到距离这么远的行星They#39;re obscured by the brilliance of their neighboring stars.他们都被周围的恒星耀眼的光辉掩盖住了But the planets have a minute gravitational pull on those stars.不过行星对恒星施加微小的引力作用Measure these tiny movements and we can prove they exit通过测量的种微小移动我们就能明这些行星的存在That#39;s how we tracked down Bellerophon in the 1990#39;s我们就是这样在1990年代发现行星柏勒罗丰and hundreds of other distant planets还发现了数百颗其他遥远行星Sixty-five light years from Earth距离地球65光年turn on your TV here and you#39;d pick up Hitler#39;s Berlin Olympics如果在这里打开电视,那么你会收看到希特勒的柏林奥运会The twin stars of Algol.双星,大陵五(英仙座β)Known to the ancients as the demon star自古人们就称它为恶魔之星From Earth, it appears to blink as one star passes across the other.当其中一个遮住另一颗时,从地球看就像在眨眼睛Up close, it#39;s even stranger.近距离观察更奇怪One star is being sucked towards the other其中一颗恒星正被在另一颗吸引过去Almost 100 light years from home这里距离地球接近100光年faint whispers from one of the first ever radio broadcasts最早的无线电广播信号也只是模糊的低语 Article/201507/383898栏目简介:《英语视频之Top5》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5大新奇或者有意思的事物,比如美军飞行器、社交媒体、核武器等,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。 Article/201510/400365

But Rotterdam#39;s adapting to a wetter future但鹿特丹正在以一种更睿智的方式in even more ingenious ways.来应对更湿润的气候They#39;re so concerned about flooding, that they#39;re making plans他们如此担心洪水 有人就开始想not just to continue living by the water,人们不应该仅限于在水边生活they actually think it#39;s possible to live on it.人们还有可能在水上生活This futuristic looking building这个设计前卫的建筑is floating in the city#39;s docklands area.漂浮在城市的港口It#39;s a pilot,这是实验性的and a sort of showcase to也是为了展示show to the people floating constructions.漂浮的建筑物Floating living and working is possible.在漂浮的建筑里生活和工作是可行的It#39;s really stable.它非常平稳I think in Rotterdam,我觉得在鹿特丹in the heart of the city, there#39;s an opportunity在城市的中心to make new city parks有机会建设新的城市花园with a nice way for living and working possibilities.并伴有更好的生活和工作方式Most of the world#39;s biggest cities are built near water.世界上的大城市多建在离水很近的地方 Article/201411/341352明天就是愚人节,快跟Adam, Spencer学学愚人节和各类整人把戏英语怎么说。 Article/201508/392996

Merkel delivers speech on WW2 at Asahi Shimbun默克尔访朝日新闻发表讲话Before meeting Japanese Prime Minister Shinzo Abe, German Chancellor Angela Merkel delivered a speech at the Asahi Shimbun newspaper.在会见日本首相安倍晋三之前,德国总理默克尔在访问朝日新闻时发表了讲话。She urged Japan to confront its wartime conduct. The German media say it#39;s not a coincidence.她敦促日本正视其战争行为。而德国媒体表示这绝非机缘巧合。German public television, ZDF, says that the Asahi Shimbun frequently publishes criticism of Shinzo Abe#39;s right-leaning expressions.德国公共电台ZDF电视台表示朝日新闻经常发布对于安倍晋三右倾表现质疑的视频。Merkel chose the venue to deliver a speech on World War Two.而默克尔则选择这个平台发表就有关二战的讲话。This signals criticism over Abe#39;s attitude towards the war, especially when it comes amid the Japanese prime minister#39;s intention to revise the constitution, and speculation that he may also water down previous expressions of apology, such as the 1995 Murayama Statement.这标志着对于安倍战争态度的批判,尤其是在这位日本首相打算修改宪法之际。有猜测称他可能还会淡化如1995年村山谈话等以前的道歉之举。 Article/201503/363543栏目简介:《趣味科普英语视频》有着浓厚的趣味性,能够增加英语学习爱好者对英语科普知识的兴趣,从而更加开心快乐地学习英语知识,建立起英语学习的基础,为以后学习更多的英语知识奠基,快来边看视频边涨姿势吧! Article/201510/401307

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