不连续变换群

The Human Body: Life Story 生命物语-7

They haven't changed because their environment has stayed the same. The water they live in bubbles up from deep in the earth, and so it's always the same temperature. But just meters away the environm

发表于:2018-12-07 / 阅读(174) / 评论(0)

生命物语

美语听力 English Café 469

Topics: American Presidents-Grover Cleveland; to understand versus to grab versus to grasp versus to get (it); the suffix-hood; pronouncing words with the first letter e Words: discontinuous to be drafted to nominate mayor to veto commerce tariff to

发表于:2018-12-26 / 阅读(157) / 评论(0)

美语听力 English Cafe

舌尖上的中国第1季第38期:转化的灵感(12)

To the mother and the elder sister, the tofu workshop has already become a major part of their lives. 对于妈妈和姐姐来说，生活的很多部分已经和豆腐坊牢牢长在了一起。 Fang will not make hairy tofu in the sultry summer. 方兴

发表于:2018-12-28 / 阅读(200) / 评论(0)

舌尖上的中国第一季

TED演讲:你的用词透露了你未来的精神状态?

We have historical records that allow us to know how the ancient Greeks dressed, 我们有历史纪录可循，可以让我们知道古希腊人如何穿着、 how they lived, how they fought, but how did they think? 如何生活、如何打仗，但他

发表于:2019-01-03 / 阅读(138) / 评论(0)

TED演讲科学篇

伦敦市长鲍里斯•约翰逊2013年圣诞致辞

Christmas Message from Boris Johnson, Mayor of London Monday, 23 December 2013 Hi folks, Im Boris Johnson, Im the Mayor of London. Just wishing everybody a very happy Christmas and saying that, I think, in many ways 2013 has been even more extraordin

发表于:2019-01-16 / 阅读(184) / 评论(0)

名人演讲视频

万物简史第492期:多灾多难的生命进程(12)

Unfortunately for the therapsids, their cousins the diapsids were also productively evolving, 兽孔目爬行动物的运气不佳，它们的表亲双孔亚纲在进化过程中也繁殖力很强， in their case into dinosaurs (among other things),

发表于:2019-01-17 / 阅读(180) / 评论(0)

万物简史

TED演讲:婚姻的历史(2)

Mesopotamian prayers included blessings for such couples, 美索不达米亚的祷文中包括了为同性夫妻进行祝福， while Native American Two-Spirit individuals had relationships with both sexes. 而美洲印第安的双灵人与两种性别

发表于:2019-01-17 / 阅读(144) / 评论(0)

TED演讲教育篇

TED演讲:在危机中前行(4)

And like all hipsters, he could be infuriating at times. 跟所有的潮人一样，他有时候也会愤怒。 But he nevertheless pulled off one of the most progressive transformations any country has ever seen. 然而他却开启了一个在任何国

发表于:2019-01-18 / 阅读(166) / 评论(0)

TED演讲国际问题篇

中英双语新闻——60 Magical transformations

Movie magic can defy reality, but actors are inescapably human. They grow and change, and dont necessarily change for the better. 虽然电影的魔力可以颠覆现实，但演员们仍逃脱不了自己作为普通人的宿命。他们在成长与改

发表于:2019-01-19 / 阅读(131) / 评论(0)

中英双语新闻

最炫酷出租车将退役装备激光键盘

Jon Barnes Ultimate Taxi is probably the closest that the muggle world will ever get to the Knight Bus in Harry Potters magical universe. Barnes has managed to completely transform a plain old checkered taxi cab into an experience of a lifetime its a

发表于:2019-01-26 / 阅读(154) / 评论(0)

英语新闻

走进耶鲁大学第22期:耶鲁300年校庆

About the Tercentennial 耶鲁300年校庆 In 1701，the collegiate institution that would soon become well-known Yale was founded. To celebrate the 300th anniversary of this event, President Levin convened a group including faculty, students, admini

发表于:2019-01-29 / 阅读(169) / 评论(0)

走进耶鲁大学

世界小史第92期:森林里冥想

But it would be wrong to say that the Indians were a cruel people. 但是说印度人是一个残忍的民族是错误的。 On the contrary, their priests were serious and profound thinkers,相反，他们的祭司是很严肃、深沉的思考者，

发表于:2019-01-29 / 阅读(161) / 评论(0)

世界小史

美文欣赏：给大学应届毕业生的五条实用建议

In the coming weeks, many of the nation's college seniors will receive their degrees. For members of the class of 2014 who aren't going on to graduate school, the next step is finding full-time employment. In a rapidly changing job market that featur

发表于:2019-02-01 / 阅读(170) / 评论(0)

实用英语

cosplay助害羞美女破茧成蝶

Most young women dream of resembling fictional screen icons such as Wonder Woman and Lara Croft, but one model and gamer has gone out of her way to make this a reality. 大多数年轻女性都梦想自己可以和虚构的荧幕偶像一样，诸如神

发表于:2019-02-05 / 阅读(180) / 评论(0)

实用英语

纽约发型师行善免费为穷人理发

A hair stylist from New York is smartening up the city's homeless by giving them haircuts on his day off. 一名纽约发型师利用自己的休息时间为无家可归的流浪汉理发，他的这一善行为纽约市增色不少。 Mark Bustos, 3

发表于:2019-02-06 / 阅读(170) / 评论(0)

英语新闻

月亮和六便士第十五章(6)

You know, I'm not sure that your husband is quite responsible for his actions. 你知道，我不敢肯定你丈夫的行动是不是要由他自己负责。 I do not think he is himself. 我觉得他已经不是他自己了。 He seems to me to be p

发表于:2019-02-13 / 阅读(139) / 评论(0)

月亮和六便士

Australia expects strong relationship with China

Australia expects strong relationship with China CANBERRA, Oct. 30 (Xinhua) -- Australian Deputy Prime Minister and Treasurer Wayne Swan said on Tuesday that Australia will continue to build and strengthen relationships with China. China is expected

发表于:2019-02-14 / 阅读(264) / 评论(0)

英语新闻

万物简史第174期:爱因斯坦的宇宙(17)

When a journalist asked the British astronomer Sir Arthur Eddington 有一位记者问英国天文学家阿瑟爱丁顿， if it was true that he was one of only three people in the world who could understand Einsteins relativity theories, 他是不是

发表于:2019-02-17 / 阅读(130) / 评论(0)

万物简史

双语阅读：政界也有时尚达人

Michelle Obama Whether working a campaign event or working out with her trainer, Michelle Obama always looks the part. And shes not shy about showing off those sculpted arms, either. Michelle looked stylish and stayed cool on the campaign trail by sp

发表于:2019-02-17 / 阅读(167) / 评论(0)

实用英语

调查显示毕业生入行偏好逐渐转变

Preferences of Chinese college graduates for employment have been changing in recent years as the country undergoes transformations in its economic and industrial structure, a recent survey found. 近日一份调查发现，随着我国经济产业结构

发表于:2019-02-18 / 阅读(157) / 评论(0)

英语新闻

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a first

abrasion testing

Absam

aging of lubricating oil

amputation through forearm

axonal(axoplasmic)transport