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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(365) / 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(369) / 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(287) / 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(86) / 评论(0)

2011年VOA慢速英语(十一)月

美国小学英语教材4:第93课弗兰德斯的狗(3)

THE EARLY LIFE OF PATRASCHE 帕特拉斯基的早年生活 In his thirteenth month Patrasche had been sold to a hard-hearted peddler, 帕特拉斯基在十三个月大的时候，被卖给了铁石心肠的小贩， who every day heaped his cart full

发表于:2018-12-17 / 阅读(67) / 评论(0)

美国小学英语教材4

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(68) / 评论(0)

温馨夜读II

【美国精神】第19期

Explanation: U.S. senators serve (or work in their public position) for six-year terms that are staggered, which means they dont all begin and end at the same time. One-third of the senators are elected every two years. With staggered terms, there ar

发表于:2018-12-28 / 阅读(81) / 评论(0)

美国精神

365个英语简短小故事-133. I’m No Alcoholic!

Brigham, you really ought to think about stopping drinking, Lionel said. People are talking. He brought up the subject as they were walking to lunch. Brigham always had a couple of beers for lunch, with a couple of bean burritos. Who cares? Brigham a

发表于:2018-12-31 / 阅读(87) / 评论(0)

365个英语简短小故事

木偶奇遇记第14期:我一辈子也忘不了

Chapter 7 第七章 The poor Marionette, who was still half asleep, had not yet found out that his two feet were burned and gone. 可怜的皮诺乔睡眼惺忪，还没看到他的两只脚已经完全烧没了， As soon as he heard his Father's vo

发表于:2019-01-01 / 阅读(55) / 评论(0)

木偶奇遇记

地道英语在线听-Blast from the Past 过去回忆的唤醒

Helen: Hello, this is Real English from BBC Learning English, Im Helen. Jean: 大家好，我是董征。欢迎收听地道英语。 Helen: In Real English, we look at words and phrases that you might not find in your dictionary. Jean: 和汉语一样，英语语言里也是有好

发表于:2019-01-02 / 阅读(85) / 评论(0)

地道英语在线听

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(60) / 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(89) / 评论(0)

电影歌曲

美国乡村音乐:Beautiful Blue Eyes

Beautiful Blue Eyes - 美国乡村音乐 Beautiful, beautiful blue eyes美丽的蓝眼睛 Beautiful, beautiful blue eyes美丽的蓝眼睛 Beautiful, beautiful blue eyes美丽的蓝眼睛 Ill never love brown eyes again我将不会再喜欢棕眼睛 Willie,oh willie, I love you Will

发表于:2019-01-04 / 阅读(113) / 评论(0)

美国乡村音乐

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(97) / 评论(0)

科技之光

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(103) / 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(113) / 评论(0)

VOA标准英语2016年(九月)

吹小号的天鹅第94期:一次关于钱的谈话(3)

All right, he said, suddenly. Serena can go. We will not clip her wing. 好吧，他突然开了口。塞蕾娜可以离开。我们不会剪她的翅膀了。 But how can I be sure that Louis will bring me a young Trumpeter Swan when I need one? 不过

发表于:2019-01-29 / 阅读(60) / 评论(0)

吹小号的天鹅

每日一词【986】blast：强烈批评

今天我们要学的词是blast。 Blast, 做为动词，有强烈批评的意思。 Massachusetts Governor Deval Patrick blasted Arizona's new immigration law, 麻萨诸塞州州长帕特里克对亚利桑那州新出炉的移民法提出强烈谴责

发表于:2019-02-03 / 阅读(82) / 评论(0)

英语每日一词

情景会话口袋书人际篇第516期:上下班(4)

13. We should punch in before 9 o'clock and punch out after 5 o'clock every work day. 我们应该每天早上9点前打卡上班，每天下午5点，打卡下班。还能这样说： We should clock in before 9 o'clock and clock out after 5 o'cloc

发表于:2019-02-15 / 阅读(69) / 评论(0)

情景会话口袋书人际篇

Six Chinese killed, one missing in Congo blast

BRAZZAVILLE, March 4 (Xinhua) -- Six Chinese were killed and one was missing after Sunday's ammunition depot explosions in Brazzaville, the capital of the Republic of Congo, according to the Chinese embassy here on Sunday night. The victims belonged

发表于:2019-02-19 / 阅读(94) / 评论(0)

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学英语单词

active passive immunity

Bacillus thuringiensis

benalla

brand mapping

C battery cabin

capillary membrane module