Stephen Hawking on Black Holes

By their very definition,black holes are 1) objects which are not supposed to 2) emit anything .It therefore seemed that the area of the 3) event horizon of a black hole could not be regarded as its 4

娜塔莉波特曼哈佛大学演讲 第7期

I started choosing only job that i'm passionate about and from which I knew I could bring meaningful experiences. 于是我开始只挑那些我热爱的事情来做，只选那些我知道能汲取到有意义经验的工作。 This thoroughly confu

VOA慢速英语2011-Before 'Black Swan,' Ballet as a Dance of

SHIRLEY GRIFFITH: And Im Shirley Griffith with EXPLORATIONS in VOA Special English. Ballet is a formalized kind of dance performance with a rich and interesting history. The word ballet comes from the French language, and is based on the Italian word

科学美国人60秒 SSS Model Black Hole Re-Creates Stephen Hawking Prediction

Black holes got their name because light can't escape them, beyond a certain radiusthe event horizon. But in 1974 Stephen Hawking proposed that quantum effects at the event horizon might cause black holes to benot completely black. Hawking said that

礼节美语 Business Etiquette 217: Attending a Black-Tie Event (1)

Jim在走廊上碰见同事Gary。 Jim: Gary, did you hear about my upcoming trip to New York? Gary: I think I did hear something about it. You and Henry are attending some kind of function, right? J: Yeah. It's an anniversary celebration for one of

礼节美语 Business Etiquette 218: Attending a Black-Tie Event (2)

Jim要去参加一次公司庆典活动，特别正式。他问同事Gary，参加这种社交活动有哪些注意事项。 J: Have you ever been to a black-tie event? G: Twice actually....and to be honest, it was a bit boring both times. J: Aside f

VOA英语教学：美语训练班 098

A: 欢迎大家来到这期的美语训练班! 大家猜猜我是谁? B: And........杨琳，welcome back!! How was China? A: It was great! 终于在北京过了一次春节，年味儿好浓呀! Plus I ate tons of delicious Chinese food, including y

VOA英语教学：美语训练班 030

A: 美语训练班上课啦! 我是杨琳！ B: 我是Kat! 杨琳，今天教什么呢？ A：今天咱们要去滑雪, 要为出席一个非常正式的宴会作准备，要去健身房减肥, 还要告诉大家怎么用美语说衣着暴露。 B: 这

【英音模仿秀】马拉松如期举行

模仿文本： But first, the organisers of the London Marathon have confirmed that the race will definitely take place in the British capital this weekend despite the death of three people for an explosion at the Boston Marathon on Monday. Security

VOA英语2010年-Black Swan, The Tourist, Tron: the Legacy To

Winter Holidays. This is the time of the year when many movie goers crave lavish productions. And holiday movies echo that spirit. Hollywood shines with glitz, over-the-top special effects and expensive film productions. Three fit the bill: Black Swa

格莱美获奖歌曲:Fun.《Some Nights》

Fun.《Some Nights》 Some nights I stay up cashing in my bad luck Some nights I call it a draw Some nights I wish that my lips could build a castle Some nights I wish they'd just fall off But I still wake up I still see your ghost Oh Lord I'm still

中英双语新闻 韩国重启对朝鲜的广播喊话

Hello, I'm Jerry Smit with the BBC News Shares on China's main stock market have fluctuated sharply in the hours of trading since the country's security's regulator lifted the safe mechanism introduced to prevent sharp falls. The market in Shanghai o

英语听力：自然百科 来自远古宇宙的光

When massive stars explode, they can produce gamma-ray bursts. The burst, reported in two papers in Nature, is the earliest descriptive event seen so far in our universe. When I received the text message about the gamma-ray burst, it came ultimately

英语听力：2013-09-25 地平线：黑洞吞噬—3

Theres nothing anywhere near as extreme as a black hole. The disturbing truth about black holes is that there are boundary between the known universe and the place that would forever lie beyond the reach of science. They are in an anomaly of gravity

英语听力：2013-09-22 地平线：黑洞吞噬—2

High above your head, in the centre of our Milky Way Galaxy, a violent drama is about to unfold. Our super-massive black hole is getting ready to have dinner. As a gas cloud three times the size of the Earth, its caught in its gravitational hold. Acr

学个词Learn a Word 第1388期　black-tie event

今天我们要学的词是black-tie event。 A black-tie event, 意思是要求穿正规晚礼服的正式社交活动。随着圣诞节的临近，很多公司都即将举行年终圣诞庆祝活动。 Some of the company parties are black-tie even

英美人天天都在说的4000句 170:swan song

[00:01]W：Good evening, everyone, and welcome to a Powell Pay-Per-View television event. [00:05]It's hard to believe, but tonight's heavyweight light is the swan song for the grand old Atlantic City Arena, [00:11]the final event to be held in this s

天籁音乐:Black Swan Song

Athlete，来自英国的四人独立摇滚乐队，这首Black Swan Song，黑天鹅之歌，出自他们09年的专辑Black Swan。这里的acoustic版本中安静的钢琴伴奏加上主场冷静而充满反思的声音，让人宛如身处黑夜的

英文歌：美国独立流行乐队fun.热单《Some Nights》战火中的爱情

歌词： Some nights, I stay up cashing in my bad luck Some nights, I call it a draw Some nights, I wish that my lips could build a castle Some nights, I wish they'd just fall off But I still wake up, I still see your ghost Oh Lord, I'm still not su

英文歌曲：美国独立流行乐队fun.热单《Some Nights》战火中的爱情

歌词： Some nights, I stay up cashing in my bad luck Some nights, I call it a draw Some nights, I wish that my lips could build a castle Some nights, I wish they'd just fall off But I still wake up, I still see your ghost Oh Lord, I'm still not su