武汉包皮手术装珠子排名爱问

明星资讯腾讯娱乐2017年10月22日 16:19:22
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But neither can be said to actually be true.但其实这两者都不能算是真的Because they,like all models,are just a models in our heads:因为它们就像所有模型一样 只是我们想象出来的The best fit of reality we perceive.最符合我们所认知的现实世界In fact,physicist are forever creating ever more sophisticated models事实上 物理学家不断建立更精密复杂的模型And the truth of those models is impossible to establish.而我们无法实那些模型的真实性A good example of this came in the 1960s.1960年代出现了一个很好的例子Physicists devised a theory of really tiny bits of matter,called Quarks.当时物理学家建构了一套理论 有关一种极微小物质的 叫做 夸克These quarks were proposed to be the building blocks of the subatomic particle called:A proton.根据理论 夸克是一种亚原子粒子的组成单元 那种粒子就是质子The theory our model suggested that该理论或模型主张these quarks were held together by a force夸克被一种力量连结在一起that got stronger as you tried to separate them.当你越想分离夸克 力量则越大If the quarks were bound by tiny rubber bands.仿佛夸克被小小的橡皮筋绑在一起This model also implied that there is no way one can ever see a single isolated quark.这个模型同时指出 人绝对无法看到单一孤立的夸克At first,some people were skeptical.起初有些人抱持怀疑的态度If something by its very definition can never be seen,若根据事物本身的定义 我们无法观察到它Can it be said to exist?这样还能说它存在吗?Does it make sense to say that quarks are real or not?那么讨论夸克是真是假有意义吗?201602/427696

社交网络正把人与人之间的关系变得更为密切或更为疏远,TED演讲者们对网络革命的影响各抒己见。201503/365064

Chinese President Xi Jinping has arrived in the ed States to begin a a week-long visit that will culminate in an address to the UN General Assembly.中国国家主席习近平抵达美国开始为期一周的访问,最后将在联合国大会上发表演讲。He landed in Washington state where he will begin official business with a visit to Boeing in Seattle, where the planemaker is expected to confirm it is to build a factory in China.习主席抵达华盛顿,首先将前往西雅图的波音公司进行公务访问,这家飞机制造商有望在中国建立工厂。The three-day Seattle leg of the trip includes a visit to the Microsoft campus, and a meeting with top business leaders. He will also make the only policy speech of the state visit before heading to Washington for a black-tie banquet at the White House.为期三天的西雅图之行包括参观微软园区,并与高层商业领袖会面。在前往华盛顿参加白宫正式宴会前,他将就此次国事访问发表政策讲话。He will also meet the leaders of several West Coast states which have developed economic relations with China.习近平主席还将会见几个与中国发展经济关系的西海岸州领导人。Top of the political agenda will be continuing American concerns about alleged Chinese cyberattacks on US firms and organisations, and security in the South China sea where there are several territorial disputes.首要的政治议程包括美国担心的中国涉嫌对美国企业和组织发动的网络攻击,以及具有领土争端的中国南海安全。译文属。 /201509/400483

  These fats came to prominence in nutrition这些脂肪营养非常丰富when it was recognized that people因为大家发现地中海地区的居民in the Mediterranean cultures contains high fat diets食用高脂肪食物but did not have high rates of heart disease.但心脏病发病率不高It was concluded that their diets人们总结出地中海居民的饮食were high in monounsaturated fats含有大量的单一不饱和脂肪which may have provided some protection.这些脂肪也许可以提供一些保护Research has shown that monounsaturated fats研究表明,单一不饱和脂肪are more beneficial than poly unsaturated fats比多元不饱和脂肪更有益处but total fat intake is also important但很重要的一点是,脂肪摄入总量to keep in balance.也应保持平衡Substituting monounsaturated fats用单一不饱和脂肪for some polyunsaturated fats in the diet取代饮食中的一些多元不饱和脂肪may be useful to reduce the risk of heart disease.也许有助于降低心脏病的风险You may have heard about trans fats大家也许在新闻中听过反式脂肪in the news as well. Some cities for instance例如,一些城市have passed laws to completely eliminate the use已经通过法律以完全取缔of fats containing trans fats in the public eating place.在公共用餐场所使用反式脂肪In addition the USCA now requires trans fats此外,美国农业部现在要求反式脂肪to be listed on the nutrition fats label.应当列入脂肪营养表Trans fats are not naturally occurring反式脂肪不会自然形成but come about from a process called hydrogenation而是来源于氢化过程where the double bonds in polyunsaturated fats该过程中多元脂肪的双键are converted to single bonds.被转化为单键In this process some of the remaining double bonds在氢化过程中,一些剩余的双键are converted to unnatural trans orientation.被转化为非自然反式的Manufacturers have used hydrogenation食物生产商利用氢化过程to make fats solid, such as shortening and margarine制造固态脂肪,例如起酥油和人造黄油that are usually vegetable oils because it was thought这些通常是植物油,因为人们认为that they would be more helpful这些油类比固态动物油脂,例如猪油和黄油than solid animal fats such as lard and butter.更加有用Unfortunately we now know that trans fats increase遗憾的是,我们现在知道反式脂肪能够提高the risk of heart disease. The good news is that患心脏病的风险,但有个好消息food processing has been modified那就是食物加工已经得以改进so that the undesirable trans fats are not generated因此有害的反式脂肪不再会in the hydrogenation process any longer在氢化过程中产生and most food products are being made绝大多数产品都是用不同的with different processes to avoid the trans fats.生产方式制作以避免反式脂肪One needs to use caution然而我们应当谨慎小心when ing food labels however.当我们读食物商标时If you see a label claiming 0 grams of trans fat如果你看到一个商标上注明含有0克反式脂肪you may want to take a look a closer look这时应当更进一步详细查看at the ingredients list. If the product contains营养成分列表,如果这个产品每剂含有less than 0.5 grams of trans fat per serving,0.5克以下的反式脂肪the label can legally claim that商品商标才可申明it contains 0 grams of trans fat.含有0克反式脂肪If the ingredients list partially hydrogenated如果营养成分中列出了部分氢化的植物油vegetable oils or hydrogenated vegetable oils,或者氢化了的植物油there is a chance that it will contain有可能该产品含有some trace amounts of trans fat一些反式脂肪and if you consume multiple servings如果你用多剂of that particular food, you may still be getting这种产品,你也许a fair amount of trans fat in your diet.从饮食中获取了一定量的反式脂肪The greatest dietary contributors of trans fats含有反式脂肪最多的食物是are foods such as cakes, cookies, crackers and pies蛋糕,甜饼干,咸饼干和馅饼that are made with hydrogenated vegetable fats.这几种食物都应当是用氢化的植物油制作的New labeling laws require that trans fats be listed新商标法规定,反式脂肪必须列入on the nutrition facts panel营养表have forced these companies to change这使得食品公司不得不努力改变their formulations in an effort to reduce trans fats.自己的配方来减少反式脂肪Animal products naturally contain动物产品都含有a small amount of trans fat which also contributes to少量反式脂肪,这些产品有助于the consumption of these fats in the American diet.增加美国饮食中脂肪的含量It is recommended that you limit foods建议大家控制食用that contain trans fat for a healthy diet.含有反式脂肪的食物,以实现饮食健康Now that you know which fats should be the focus既然大家现在知道哪些脂肪应当重点加入of your diet, it is quite simple to make small adjustments自己的饮食中,对自己的饮食做些小小的调整就很简单了in your diet to improve your fat intake profile.这样可以提高自己的脂肪摄入量For instance, choosing lean cuts of meat例如,选择食用瘦肉will reduce saturated fat intake.可以减少饱和脂肪的摄入Fish and poultry are both great alternatives to red meat鱼肉和家禽肉都是很好的红肉替代品and in choosing fish you will also be getting some选择食用鱼肉,你可以摄入一些of the important omega 3 fats.重要的欧美加3脂肪Likewise using a small amount of oil in place of butter同样,用少量的植物油来替代黄油or margarine can offer a healthier fat source.或者人造黄油可以提供更加健康的脂肪来源When using oils its important to use a variety食用油类时,应当使用各类as a fat composition of each one is different.不同的油类Because of the high caloric density of fats由于脂肪的热量很高and the evidence that diets high in fat而且有据表明脂肪含量高的食物increase risk of chronic disease, it is generally wise能够提高患慢性疾病的风险,通常明智的做法是to keep fat intake within a healthy range.将脂肪摄入量保持在健康的范围内A diet that contains 30% of calories from fat含有30%的脂肪热量的饮食is thought to be best for the general population一般视为对普通人益处最大but those at risk of heart disease但是有可能患有心脏病的人may try to reduce fat intake to 20%.应当将脂肪摄入量减至20%It is very important not to totally很重要的一点是,不应将eliminate fat from the diet, especially for children脂肪从饮食中完全去除,特别对儿童和青少年来说and teens because fat has an important role with brain,因为脂肪对大脑muscle and bone development.肌肉和骨骼发育很有帮助Athletes should also maintain adequate fat intake运动员也应当保足够的脂肪摄入量for energy and tissue repair.以保持精力,修复组织There is much confusion about good fats and bad fats很多人在辨别有益脂肪和无益脂肪是感到很困惑but a general rule is to sparingly use a variety of fats但一条通用法则是少量用各类脂肪to ensure a healthy balance.以保持健康201503/360812

  栏目简介:《趣味青春英语视频》是外语网络电台的精品节目,通过大讲堂的网络课堂形式,能够帮助英语学习者积累一些英语背景知识,并通过互动的教学形式,帮助有效记忆英语知识。本栏目是学习趣味青春英语的好材料。201603/431254。

  栏目简介:《造物小百科How its made》介绍了许多东西的制作或者说发明方法,非常实用。其中的英语视频发音地道,内容浅显易懂,过程形象生动,是提高英语听力水平,积累英语知识和一些简单生活常识的好素材。201509/392015

  TED演讲集 那些匪夷所思的新奇思想201603/429354In a sleepy Hampshire village, battle lines are being drawn.在汉普郡的一个宁静村庄里,战争即将爆发Five Chinese teachers have come to shake up the British education system.五位中国老师来到这里挑战英国教育系统Discipline is really important纪律非常的重要without discipline you dont learn well.没有纪律,你们就学不好British pupils are falling behind in the international race.英国青少年在国际竞争中持续落后Our students academic achievement is three years ahead of you.我们的学生的学术成就比你们领先三年Why?为什么The Chinese have come to prove that even a high-achieving school has a lot to learn.中国人将要明,即使是一个高分的学校也还有很多东西要学Cheers!干杯We are here to bring you the unique Chinese style of teaching.我们来到这里,让你们感受独一无二的中式教育Class begins.上课Morning, class.同学们好Good morning, teacher.老师好Everybody can get full marks, just use your brain.只要肯动脑,每个人都能得满分What brain?动什么脑Stand in your lines.站好队Its an unforgiving regime based on high-pressure learning这是一个基于高压学习and ruthless competition.和残酷竞争的无情学习制度X is the size of AB.AB段长度为XI dont get it.我算不出来And after four weeks, the students in the Chinese School will be tested against their British counterparts.四个星期后,中式学校的学生将会和英式学校的学生一起进行测试As head teacher, I hate to lose.作为校长,我不希望输If we find out that the Chinese method is indeed the best way, Ill be absolutely gutted.如果我们发现中式教育是最好的教育方法,我会非常失望Will the long days and strict discipline produce superior students...长时间的学习和严格的纪律管理会不会培养出更优秀的学生or will the clash of two cultures... ...或两种文化间的冲突...Phoebe, listen to me.菲比,听我说话create chaos in the classroom?会不会引发课堂混乱You embarrass all Bohunt students, and the school.你丢了全体同学和整个学校的脸Hey, I can see you.把脸露出来One, two, three!一,二,三201512/416069President Barack Obama has said hell go to Cuba next month, making him the second president ever to do that while in office.奥巴马总统表示将在下月访问古巴,使其成为在任期间第二位访问古巴的美国总统。Obama is planning the visit as part of a larger trip to Latin America. And its apparently something hes been itching to do since Cuba and the U.S. started making their way toward better relations.奥巴马计划此次访问,作为拉丁美洲之旅的一部分。这显然是他一直想做的事情,因为古巴和美国开始向更好的关系发展。In 2014, President Obama and Cuban President Raul Castro announced they would re-establish diplomatic ties.在2014年,奥巴马和古巴总统劳尔·卡斯特罗宣布将重新建立外交关系。While it isnt clear if hell meet with the Cuban leader again, the president said in an interview with Yahoo News a few months ago that that was one of his main reasons to set foot on the island.虽然尚不清楚他是否会与古巴领导人再次见面,奥巴马总统几个月前在接受雅虎新闻采访时表示,这是他踏上该岛的一个主要原因。Now would be a good time to shine a light on progress thats been made, but also maybe there to nudge the Cuban government in a new direction.现在是推进发展的好时机,同样也可能将古巴政府推向新的方向。Despite his intentions, there are some Republicans who arent keen on the idea, and they dont view Cuba as a free country with Castro the head of state.尽管如此,一些共和党人并不热衷于这个想法,他们不认为以卡斯特罗为首的古巴是一个自由的国家。Obama tweeted Thursday his trip will include ;efforts that can improve the lives of the Cuban people.;奥巴马周四在推特上表示,他的行程将包括“努力改善古巴人民的生活。”译文属。201602/427165

  North Koreas nuclear testing isnt just a possible danger for nearby countries and the Western world — it could also trigger a volcanic eruption from nearby Mount Baekdu. At least according to South Korean seismologists. 朝鲜核试验不仅对临近国家和西方世界造成可能的危险,也可能引发附近长白山火山爆发。据韩国地震学家报道。The scientists studied the ;dynamic stress changes; caused by hypothetical underground nuclear tests. A report in Nature says, ;An underground nuclear explosion test near an active volcano constitutes a direct threat to the volcano.;科学家们研究了由假设地下核试验引起的“动态应力变化”。自然杂志的一份报告称,“活跃火山附近的地下核爆炸试验对火山构成直接威胁。”According to the research team, the volcano last erupted in 1903. A previous eruption was one of ;largest explosive events in human history.; 根据研究小组发现,这座火山在1903年爆发了。先前的一次喷发是“人类历史上最大的爆炸事件之一。”North Korea refuses to stop its nuclear program and has conducted multiple underground nuclear tests in recent years, the most recent of which was in January and was immediately condemned by Western nations. 朝鲜拒绝停止其核计划,并在最近几年进行了多次地下核试验,最近的一次是在一月,立即被西方国家谴责。But according to RT, this isnt the first warning from seismologists of volcanic fallout from North Korean nuclear testing. In 2013, a geologist said, ;A nuclear test will probably exert a direct or indirect impact on volcanic activity at the mountain, and this is worrisome.”但根据RT,这不是地震学家对朝鲜核试验的首次警告。早在2013年,一位地质学家表示,“核试验可能会直接或间接对山体火山活动造成影响,这是令人担忧的。”译文属。201602/427182

  Are you tired of being liked, revered, respected, or admired? Spice things up by making a mortal enemy or two.你是否厌倦了被人喜爱,崇敬,尊重或羡慕?树立一两个死敌,为生命增添一点趣味。You Will Need你需要The desire to be disliked被人讨厌的渴望A computer电脑Persistence毅力Steps步骤STEP 1 Turn friends into enemies1.让朋友变成敌人Look around. You’ve got a potential army of enemies standing right in front of you. They’re called friends! Failing to repay large sums of money, sping rumors, and seducing their loved ones are great ways to give them the push they need towards enemy territory.四处看一下。你面前已经有很多潜在的敌人。那就是朋友!忘记偿还大笔欠款,到处散播谣言,引诱他们的爱人都是让把他们推向敌对的一面的好方法。STEP 2 Help your friends make enemies2.帮助朋友树立敌人Be proactive! Sp the gospel by helping your friends make a few enemies of their own! You’ll be on their st list in no time.先发制人!帮助朋友树立敌人,那你真是功德无量!不需要多少时间,你就会位于他们的拒绝往来名单上。STEP 3 Turn coworkers into enemies3.把同事变成敌人It’s time to convert your coworkers. They may not like you, but they’re not your enemies—yet. Make office tattletale your secret job description. Ask female coworkers how long they’ve been expecting. Start a personal boycott on flushing in the office bathroom.现在,是时候把同事变成敌人了。他们或许不喜欢你,但暂时还不是你的敌人。将“在办公室内搬弄是非”作为你的秘密工作任务。问女同事一些私密的问题。拒绝冲洗办公室洗手间。STEP 4 CC everyone you know4.转发邮件It’s the 21st century. If you’re not CC’ing everyone you know on at least three or four joke forwards and chain letters every single day, you’re missing out on the opportunity to make LOTS of new enemies.现在是21世纪。如果你每天没有至少三次或四次给你认识的所有人转发笑话或群发邮件,那就就错过了树敌的好机会。Always respond to mass e-mails you receive by Replying All. This will help get your name out there, and sp the word that you’re a complete dipst at the exact same time!收到区分那邮件后回复所有人。这样会让你的名字广为人知,与此同时广泛传播你收到的信件。STEP 5 Reach out to the community5.向社区进发By now you probably don’t have anyone left in your life, so if you want to keep making enemies, you’ll need to reach out to the community. That’s the ticket!现在,你的生活中或许都是敌人了。如果你想继续树敌,你需要向社区发出行动了。这样绝对可以!STEP 6 Visit your local restaurant6.去当地餐馆You’ve had a long day. Reward yourself with a visit to your favorite local restaurant. But careful, don’t tip! For good measure, tell them your reasons. You’re making enemies like a champ.终于过完忙碌的一天。奖励自己,到当地你最喜欢的餐馆就餐。小心一点,不要给小费!而且要告诉他们理由。你会所向披靡,树敌无数!The term public enemy number one was first coined in 1924 to refer to convicted murder Gerald Chapman.“头号公敌”这个属于首先出现在1924年,用来指代谋杀犯Gerald Chapman。201503/363977

  栏目简介:《趣味青春英语视频》是外语网络电台的精品节目,通过大讲堂的网络课堂形式,能够帮助英语学习者积累一些英语背景知识,并通过互动的教学形式,帮助有效记忆英语知识。本栏目是学习趣味青春英语的好材料。201604/431270。

  That sheeting is just what I need.Its worth braving the freezing waters for.那块塑料布正是我所需要的 即使跃入冰水 也值了I always think having your heart rate up a little bit just can help you,我一直觉得 适当提高心率对你大有好处just give you that bit of adrenaline that you need,可以提供你所需的肾上腺素just to carry you through.I wanna get there and get back here.持你完成这一切 我要争取速去速回Freezing water can not only stop your heart冰水不仅会让你心脏停跳it can also have an effect on other parts of your anantomy.它对你身体的各个脏器均会产生不良影响The river is fast flowing that current is very strong.水流湍急 流动强劲Its a hard swim to reach the far bank.要游到对岸 十分艰难Now Im hit by chilling winds belowing straight down the gorge from the Appalachian moutains.阿巴拉契亚的山风吹在身上 寒冷无比Its a race against time to get back before my freezing body strats to shut down.这是一场与时间的赛跑 我要抢在身体机能骤降之前 完成任务The tarpaulin generates immense drag.防水布在水中产生了巨大的阻力Its slowing me and pulling me down stream.让我前进的速度大幅下降 向下游移动Man alive.Iv got the tarpaulin.And this is gonna help me no end.我的天啊 搞到了这块防水布 这能帮我个大忙了 And hopefully itll worth the freezing dunking for.但愿这回冰水里走一遭 是值得的201601/424766

  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!201512/413360

  

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