穴播

X星球系列故事第3期:Spring is the Green Season

Spring is the Green Season Spring is coming. Spring is the first season of the year. In China, spring comes in February. It is still cold, but it is getting warmer and warmer. The days get longer and longer. The leaves on the trees begin to turn gree

发表于:2018-12-06 / 阅读(187) / 评论(0)

X星球系列故事

Supermassive Black Holes 超大质量黑洞 - 8

In every galaxy scientists looked at, they found evidence for a supermassive black hole. NGC 3115 NGC 3377 NGC 3379 In M31 and M32 In total there is probably 20-30 or so black holes that have been fou

发表于:2018-12-07 / 阅读(432) / 评论(0)

超大质量黑洞

Supermassive Black Holes 超大质量黑洞 - 1

In March 2000, two astronomers made an extraordinary discovery, one that is set to overturn our understanding of how the universe formed. We're never going to see a time like this in astronomy again.

发表于:2018-12-07 / 阅读(446) / 评论(0)

超大质量黑洞

Supermassive Black Holes 超大质量黑洞 - 2

But we are just one in 125 billion galaxies of different shapes and sizes spinning through space. Yet scientists haven't been able to explain how a single one of these galaxies was created. Galaxy for

发表于:2018-12-07 / 阅读(456) / 评论(0)

超大质量黑洞

Supermassive Black Holes 超大质量黑洞 - 4

This ferocious heart of brilliant hot gas is called a quasar. Scientists thought this whirling mass might be caused by a giant black hole sucking up gas and stars, literally feeding on the center of a

发表于:2018-12-07 / 阅读(349) / 评论(0)

超大质量黑洞

VOA慢速英语2011--Blue Holes: Some of the Least Explored Areas on Earth

EXPLORATIONS - Blue Holes: Some of the Least Explored Areas on Earth BARBARA KLEIN: Im Barbara Klein. STEVE EMBER: And Im Steve Ember with EXPLORATIONS in VOA Special English. A blue hole is a flooded sea cave with a hole that opens up at the lands s

发表于:2018-12-07 / 阅读(143) / 评论(0)

2011年VOA慢速英语(十一)月

新概念英语之全新全译 29 Lessons 055-056

Listen and enjoy ,american slang act up . The students began to act up as soon as their teacher left the classroom . all ears .Tina is all the ears when her teacher is talking . all right already . All right already , I am doing my homework . all sou

发表于:2018-12-24 / 阅读(96) / 评论(0)

新概念英语之全新全译·1

温馨夜读II PART4 12.18 Holes in His Mind

[00:00.52] 12.18 Holes in His Mind [00:06.29]Major James Nesmeth had a dream of improving his golf game and he developed a unique method of achieving his goal. [00:14.35]Until he devised this method, he was just your average weekend golfer, shooting

发表于:2018-12-26 / 阅读(129) / 评论(0)

温馨夜读II

普通高中课程标准实验教科书英语选修7 Unit 4 Sharing - Readin

Dear Students, I would like to welcome you to Plan International on behalf of your newly sponsored child, Orlando. My name is Rosanna and I work as a community volunteer in an area of Ecuador where Orlando and his family have lived for as long as th

发表于:2018-12-29 / 阅读(267) / 评论(0)

高中二年级英语

双语有声阅读:Black Holes 黑洞

What is a black hole? Well, it's difficult to answer this question, since the terms we would normally use to describe a scientific phenomenon are inadequate here. Astronomers and scientists think that a black hole is a region of space (not a thing) i

发表于:2019-01-02 / 阅读(128) / 评论(0)

双语有声阅读

电影歌曲:Supermassive Black Holes Muse

Supermassive Black Holes Muse oh baby dont you know i suffer? oh baby can you hear me moan? you caught me under false pretences how long before you let me go? you set my soul alight you set my soul alight (you set my soul alight) glaciers melting in

发表于:2019-01-03 / 阅读(163) / 评论(0)

电影歌曲

SCIENCE IN THE NEWS - Stephen Hawking and Black Holes / Quan

SCIENCE IN THE NEWS - Stephen Hawking and Black Holes / Quantum Theory By Caty Weaver Broadcast: Tuesday, August 17, 2004 VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Bob Dought

发表于:2019-01-07 / 阅读(160) / 评论(0)

科技之光

种苹果 Growing apples

如果一颗小小的苹果树种子静静地躺在你的手心里，你会想到什么？就是这样一颗小小的种子，引发了作者的遐思：为什么不是每颗种子都能长大？为什么不是每个梦想都能开花？读读下面这

发表于:2019-01-07 / 阅读(227) / 评论(0)

英语阅读理解

VOA慢速英语2010年-EXPLORATIONS - Blue Holes: Some of the

BARBARA KLEIN: Im Barbara Klein. STEVE EMBER: And Im Steve Ember with EXPLORATIONS in VOA Special English. A blue hole is a flooded sea cave with a hole that opens up at the lands surface. These cave systems form in carbonate rock, often on islands.

发表于:2019-01-12 / 阅读(159) / 评论(0)

2010年VOA慢速英语(十一)月

New Data Adds to Understanding of 'Black Holes'

New Data Adds to Understanding of 'Black Holes' WASHINGTON Scientists continue to learn more about black holes in space, places where the pull of gravity is so strong that not even light can escape. Black holes occur after supergiant stars explode in

发表于:2019-01-14 / 阅读(177) / 评论(0)

VOA标准英语2016年(九月)

美国国家公共电台 NPR Black Farmers Are Sowing The Seeds Of Health And Empowerment

SCOTT SIMON, HOST: More than 9 out of 10 farm owners in the United States are white, according to the Bureau of Labor Statistics. And there's a growing movement to try to change that. The goal is to help more people of color become farmers and to mak

发表于:2019-01-16 / 阅读(130) / 评论(0)

2017年NPR美国国家公共电台12月

种下希望的种子，让梦想开花

发表于:2019-02-07 / 阅读(149) / 评论(0)

英语美文

生活靠我们自己创造

Life is What We Make ItAre you dissatisfied with todays success? It is the harvest from yesterdays sowing. Do you dream of a golden morrow? You will reap what you are sowing today. We get out of life just what we put into it. Nature takes on our mood

发表于:2019-02-11 / 阅读(122) / 评论(0)

英语美文

英语故事:The Swallow’s Words 燕子的忠告

It happened that a country man was sowing some hemp seeds in a field where a Swallow and some other Birds were hopping about picking up their food. Be ware of that man,said the Swallow. Why, what is he doing? said the others. Those are hemp seeds he

发表于:2019-03-02 / 阅读(193) / 评论(0)

英语美文

【有声英语文学名著】安娜卡列宁娜（18）

EIGHTEEN Chapter 13 LEVIN put on his high boots and, for the first time, a cloth coat instead of a fur, and went out to attend to his farm. Stepping now on a piece of ice, now into the sticky mud, he crossed the stream of dazzling water. Spring is th

发表于:2019-03-09 / 阅读(184) / 评论(0)

有声英语文学名著

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anode current fluctuation

arcus tarseus

atomized spray injector