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In many ways the late Jurassic is really the golden age of dinosaurs.从许多方面来讲,晚侏罗世都可以算是恐龙的黄金时期We have a tremendous diversity of different kinds of dinosaurs, meat-eaters and plant-eaters, forms with armour.各种各样的恐龙种类非常之多,食肉恐龙、植食恐龙、有盔甲的恐龙All around the world we see these dinosaurs.世界各地都能见到这些恐龙But it wasn#39;t just the variety of dinosaurs that made this their golden age.可是它成为恐龙的黄金时代并不只是因为种类繁多The late Jurassic was also the era of the giants.晚侏罗世还是巨龙的时代We have dinosaurs of tremendous size, we have plant-eaters 40ft tall,我们发现了体型极其庞大的恐龙,有40英尺高的植食恐龙we have animals that must have weighed 50 or 60 tons,有重达50~60吨的恐龙so these are immense animals and they#39;re everywhere.所以那时有许多巨型恐龙,它们遍布世界各地But the dinosaurs didn#39;t start off like this.不过恐龙刚登场时可不是这样50 million years earlier in the early Jurassic they were very different.在5亿年前的早侏罗世,它们非常不同We have many fewer different kinds of dinosaurs, they#39;re relatively primitive looking dinosaurs恐龙的种类数非常少,它们是长相比较原始的恐龙and compared to what we see in the late Jurassic, they#39;re much less spectacular animals.与晚侏罗世的那些恐龙相比,这些动物就相形见绌了We don#39;t see the sizes and shapes and diversities that we see at that time.我们没有见到与这个时期一样的体型、模样和多样性They#39;re relatively dull looking animals compared to what we see later.与我们后来见到的那些相比,这些动物显得很不起眼And there was nothing to suggest that these early dinosaurs would grow and diversify to so completely dominate the planet for so long.没有什么能解释这些早期恐龙如何壮大并多样化,成为长久以来地球上的霸主。 Article/201704/502924。

TED演讲集 那些匪夷所思的新奇思想 Article/201612/480360。

There#39;re people who look up to you who don#39;t do what you do.有人敬佩你,但你做的事他却没做,You mean everybody?你是指每个人吗?You mean everybody?你是指任何人吗?Do you know how many people tweet hustle and work six hours a day?你知道多少人每天忙着写推特,只工作六个小时吗?Like...I know. I#39;m serious. I know. I#39;m serious.我知道。我是认真的。我知道。我很认真。I know. Someone I#39;m very close to today asks me about my schedule今天一个和我很亲密的人问我的时间表,and I told him the schedule and then they asked me well why are you up so early?我告诉他了,他却问我为什么起那么早。Yeah. Let#39;s move to the next question before I get angry.在我发火之前换个话题。By the way, real quick I got angry.顺便说一下,我很容易就生气。If you ever say to somebody else why are you up so early,如果你告诉过其他人为什么早起,that is the quickest tell to you are not a winning player.这就是你非赢家的最直接。If that has ever crossed your mind, you#39;ve lost.如果你曾有过这想法,你就是失败者。 Article/201707/516882。

英语口语999句 Lesson40[00:03.10]I'm doing some washing and John is cooking dinner. 我正在洗衣,约翰在做晚饭。[00:12.34]Were there any exciting incidents during your journey? 你们在旅行中有没有什么令人激动的事情?[00:21.63]As far as policy is concerned, I have to say something. 谈到政策,我得说几句。[00:30.67]Could you tell me what the maximum weight allowance is? 您能告诉我行李的最大重量限额是多少吗?[00:40.14]He came out of the library, a large book under his arm. 他夹着本厚书,走出了图书馆。[00:49.93]The brothers differ from each other in their interests. 这几个兄弟各有所好。[00:57.78]Although we can't see these atoms, they really do exist. 虽然我们看不见原子,但它们的确存在。[01:07.89]I am familiar with the casual atmosphere in the company. 我对公司中这种放松的氛围感到很熟悉。[01:18.22]Most people eat, write, and work with their fight hands. 大多数人吃饭,写字,工作都用右手。[01:28.45]Only by working hard can we succeed in doing everything. 只有努力,才能成功[01:36.91]Take it easy, you will be all right in a couple of days. 。别担心,你两天之内就会痊愈的。[01:46.48]The Beatles represented part of the spirit of their age. 甲壳虫乐队代表了他们时代的部分精神。[01:56.38]There being no one to help me, I had to do it all alone. 因为没有人帮助我,我不得不独立完成这项工作。[02:06.97]How much cloth does it take to make a skirt for the girl? 女孩做一条裙子要用多少布?[02:16.04]With all these mouths to feed, he didn't know what to do. 由于有那么多人要供养,他不知道怎么办才好。[02:26.59]I forgot to prepare the speech I'm supposed to give today. 我忘了准备今天的我该做的演讲了。[02:36.13]It's supposed to start at 6:30 sharp, but I doubt it will. 应该是六点半整的,但是我觉得够呛。[02:46.06]On behalf of my company, I would like to welcome you here. 我代表我们公司欢迎你来这里。[02:55.50]She's been quite different since coming back from America. 从美国回来之后,她变化很大。[03:05.29]Today it is common that women and girls make up in public. 今天,在公共场所看到妇女和姑娘化妆打扮是很普遍的事。[03:17.53]I have to transfer to No.ll bus, but where is the bus stop? 我需要换乘11路公共汽车,但是汽车站在哪儿?[03:28.87]I supposed him to be very clever but he was in fact a fool. 我以为他很聪明,其实他是个蠢货。[03:39.45]The rabbit ran to the woods and did not come back any more. 兔子跑进了森林再也没有出来了。[03:48.96]Tom and Mary congratulated us on the birth of our daughter. 汤姆和玛丽为我们女儿的出生向我们表示祝贺。[03:59.90]I can't help eating sweets whenever they are in my presence. 我无论什么时候一看到甜食就忍不住要吃。 /200810/54329。

You#39;ve probably seen a dog tilt its head in response to a weird noise or something you said. It#39;s super cute, but why do they do it?你一定见过对奇怪的噪音或你的话做出歪头的反应吧。超级可爱的说,但是它们为什么要歪头呢?The answer#39;s not entirely clear, and there hasn#39;t been any peer-reviewed research about it.我们还不是很清楚其中奥秘,也不曾有对其做过研究。But a couple of scientists hypothesize that head-tilting might help dogs see and hear us better.不过,有几位科学家假设,歪头可能会帮助们更好的观察、倾听我们。One popular idea comes from a 2013 blog post by a psychologist named Stanley Coren,2013年,一位名叫Stanley Coren的心理学家在客上发表了一篇大家普遍认可的观点,who studies dogs and their behaviors, among other things.这位心理学家主要研究及它们的行为等。He thinks that puzzled tilt means a dog is trying to see you better.他认为让人摸不着头脑的歪头,代表着想更好的看清你。When you speak to someone, dog or otherwise, you express a lot of emotion with the lower half of your face.当你和某人或等说话时,你的大部分表情会通过脸的下半部分来表达。And according to a small 2015 study, it seems like our canine companions can tell the difference between facial expressions that show emotion, like happiness or anger.根据2015年的一项小研究,似乎我们的犬类同伴能够分辨表达情绪的面部表情,如开心或生气。But a dog with a bigger muzzle might not be able to see your smile or frown clearly,但是鼻口部较大的可能看不清你的微笑或皱眉,so Coren suggests that tilting helps them get a better view.所以,Coren认为歪头能够帮助它们仔细观察。He tested this idea by surveying 582 dog owners online, asking them to describe their dog#39;s breed or head shape,通过对582名主人做在线调查,Coren对这个观点进行了检测。Coren要求主人描述他们的种类或头型,and then rate how frequently their dogs do the head-tilting thing.并估计们歪头的频率。The data were split into two groups. One was brachycephalic dogs with flatter faces like pugs;数据被分为两组。一组是扁平脸的短头,如八哥犬;and the other was a mix of mesaticephalic dogs with medium muzzles like beagles and dolichocephalic dogs with long noses like greyhounds.另一组是中等鼻口的中型头,如猎犬和长鼻子长头,如灰的混合组。In Coren#39;s survey, 71% of owners of bigger-muzzled dogs reported that their pups ;frequently;, ;most of the time; or ;always; tilt their heads when spoken to,在Coren的调查中,71%的大鼻口的主人称,在和他们的说话时,它们“经常”、“大部分时间”、“总是”歪头,as opposed to only 52% of owners of smaller-muzzled dogs.而仅有52%的小鼻口主人反映过这种情况。That, he says, is a statistically significant difference, but 52% is still a lot of dogs, so this probably isn#39;t the whole story.Coren表示,从数据上来看,差别非常明显,但是52%仍是相当大的比例。因此,该观点并不能代表整个事情的原委。A psychologist who runs a dog cognition lab named Alexandra Horowitz thinks that dogs could be trying to hear us better with those sideways looks.一位经营一家认知实验室的心理学家,Alexandra Horowitz认为侧眼看能使它们更好地倾听我们。Specifically, she thinks they#39;re tilting their heads to adjust the floppy parts of their ears, called pinnae, to get a better sense of where sounds are coming from.她认为们歪头是为了调整耳部的耷拉部分--耳廓,以便更好地分辨声音的来源。A third take from a dog trainer named Steven Lindsay, is that dogs tilt their heads because one part of their brain is involved in both listening and body language.第三种观点来自一位训师,Steven Lindsay。她认为歪头是因为它们大脑的一部分负责了听力和肢体语言两个区。We think a region called the nucleus ambiguus controls a dog#39;s head movements, as well as the muscles in a dog#39;s middle ear that help it perceive subtly different sounds.我们认为疑核区域控制着的头部动作以及中耳的肌肉,能帮助它们精确地察觉不同的声音。So Lindsay suggests that when your pup is listening, it can#39;t help but show you with its body, too.因此,Lindsay认为,当你的在倾听时,它们会情不自禁的向你展示它们的肢体语言。We don#39;t really know how accurate any of these guesses are, but we do know that dogs tilting their heads is real cute.我们并不清楚这些猜测是否准确,但是我们都认同歪头的动作太可爱啦。So to any animal psychologists out there: round up some puppies, do some research, and post more of these adorable s online... for science!所以建议我们的心理学家:养一些,做一些研究,然后上传更多可爱的视频...当然,为了科学嘛!Thanks for asking, and thanks especially to all of our patrons on Patreon who keep these answers coming.谢谢大家的提问,特别感谢Patreon上一直提问的观众。If you#39;d like to submit questions to be answered, or get some s a few days early, go to patreon.com/scishow.欢迎登陆patreon.com/scishow向我们提问并观看我们的视频。And don#39;t forget to go to youtube.com/scishow and subscribe!另外,不要忘记去youtube.com/scishow订阅我们的栏目哟! Article/201707/515889。

英语对话Flash [5] /200705/13066。

And then little by little, he began to photograph me more.一张接一张的,他给我拍了越来越多的照片。And then I would come into a place. And he would say, ;Oh, thank God you#39;re here.;我随便去一个地方,碰上他的时候他总会说;天呐,还好你来了;。Every...Oh, I guess you can#39;t say that.大部分人…或许我不该这么说。But he used to say, ;Everybody here looks so boring. Everybody looks alike. ;但他经常说 ;很多人穿的衣很无趣,看起来千篇一律;。See, a lot of people have taste.大部分人都有自己的品位。But they don#39;t have the daring to be creative.但他们没有大胆的创造力。Here we are in an age of the cookie-cutter sameness.我们处在一个千篇一律大同化的时代。There are few that are rarities.能凸显自己特点的人很少。Someone that doesn#39;t look like they were stamped out of...ten million other people looking all the same.很多人不会刻意让自己看起来和其他人有多么的不同。At the U.N. , my friends used to...Colleagues used to call me the designing diplomat...我在联合国工作的时候,我朋友和同事都叫我换装达人,because during the day, I wore my U.N.Suit, which was very conservative, but in the evenings, I#39;d go out to Studio 54.因为…我在白天工作的时候总穿着联合国的工作,那种很保守的衣,但是到了晚上我经常去Studio 54俱乐部。That#39;s when Bill photographed me for the first time.那里是Bill第一次给我拍照的地方。I wish I could find the picture.我希望我能找到原来的那张照片。The first picture he ever took of me in the New York Times.他第一次为我拍的照片登上了《纽约时报》。I used to have this coat with a big hood...and it was a Hudson Bay blanket, so it was all, like, bright striped, and I used to wear them with, like, little hot-pink ankle boots.我当时穿着这件有大兜帽的外衣还围着一块有浅色条纹的Hudson Bay毯子,我那时穿着…亮粉色的短靴。That#39;s how I met him. He used to run after me on the street.我就是这样遇见Bill的,那时他追着我满街跑。He#39;s like a war photographer in that he#39;ll do anything for the shot.他像个战地记者一样,为了拍照可以做任何事。I#39;ve been in deep conversations with him...where he just will, like, run from me #39;cause he sees somebody.我跟他认真地聊过一次就在街上,他可以看到所有人,随时从我面前跑开。So, I mean, he sees something that#39;s amazing, he has to go shoot it.我的意思是…如果他看到了好看的衣,他必须马上跑去拍照I sometimes will look at his pages in the Times or online, and just be so amazed that he and I...我会在《纽约时报》他的专栏或是网上去看他拍的照片,他和我之间的那种不同总让我觉得神奇,and all my team and all the rest of the world...we#39;re all sitting in the same fashion shows...but he#39;s seen something on the street or on the runway...我的团队和全世界的人我们都看到的是相同的时装秀,that completely missed all of us, and in six months#39; time, you know, that will be a trend.但他总能在大街上发现我们在时装秀中从没发现过的精,然后六个月之后,他真的引领了一种新的潮流。 Article/201608/459344。

A big drop-off.I think I#39;ll back up a bit.这是一处很高的峭壁 后退一点为妙Look, there#39;s a ship#39;s rope down there.See that on the surf?看 下面有条废弃的船缆 看到了吗 就在浪头上If I can get that, that#39;ll be so useful.如果我能弄到它 那肯定很有用Hang on. This is gonna be a nightmare to get down.等等 从这下去简直是个噩梦On this loose, steep rock, it#39;s too risky to free-climb.徒手攀登这种松散的峭壁太过危险The old netting I found on the beach could be the answer.我在沙滩上捡到的旧渔网终于派上用场Ah, it#39;s gonna be perfect.I want to get this done quickly.真是太完美了 我要赶紧下去I don#39;t know how long that...rope#39;s gonna stay.不知道那条绳缆会不会被冲走It#39;s getting washed out in the surf. I need to move.眼看就要被冲走了 必须马上行动And what I#39;m gonna do here is put a clove hitch,around itself,over the top,and under.我要打个双套结 绕一圈 从上方再绕一圈 然后穿过去Again, it#39;s all so loose.Okay, time to put the weight on it.Well, this is holding quite nicely.石壁的质地非常疏松 好了 是时候看看它能否承受得住了 好极了 它完全可以承受我的体重I#39;m at the limit of this now.The only problem is is when I#39;m gonna get back up,once I let this go.渔网最多拉到这么长了 唯一的问题就是一旦我放开手 我要怎么上去The netting has got me most of the way down.Let#39;s give it a go.渔网也就能让我下到这个地方了 放手一搏吧Getting back up is gonna be much harder.Look at the size of this.顺着原路爬回去绝对是难上加难 快看它有多粗啊A serious oil tanker or something that would use it,but one thick strand probably means about 500 little strands.大型油轮之类的船舶才用的上它 如此粗大的绳索 大约由500条细绳编制而成But it weighs a ton.There#39;s no way I#39;m gonna drag this back up there.可它太重了 拖着这个根本不可能爬上去Let#39;s see if it floats, and I#39;ll swim around.Yeah, it#39;s floating. Get me around the corner.I#39;m gonna swim it.看看它能否浮起来 然后带着它游过去 它漂起来了 到岩石那边接我 我要游过去Successful island survival involves a daily routine of finding food,water, and planning your escape or rescue.想要在荒岛上生存 每天都要规律的 寻找食物和水 并考虑营救计划The downside is when opportunities come,you can be in the wrong place at the wrong time.但这一方案的缺点在于 机会来临时 你却在错误的时候身处错误的地方There#39;s something on the horizon.See it? let#39;s get to the beach. come on.地平线那边有东西 看到了吗 我们得赶快上岸 Article/201606/451669。