n. 直切小口；钮孔（buttonhole的复数）
v. 在…上开扣眼；在…上切开小口（buttonhole的第三人称单数）

Supermassive Black Holes 超大质量黑洞 - 14

It means that Silk and Ree's theory may be right and if it is also right that supermassive black holes helped trigger star formation, then it must mean that all giant black holes and their galaxies ar

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超大质量黑洞

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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

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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.

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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

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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

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超大质量黑洞

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

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George wore a pair of blue shorts around the house. They were old, faded, and ugly, but they were comfortable. And when you are at home, you want to be comfortable. It wouldn't be called Home, Sweet Home if you didn't feel comfortable there. But when

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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

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Supermassive Black Holes 超大质量黑洞 - 10

If, as it now seems, every single galaxy has a black hole at its heart, this can't be a coincidence. Perhaps black holes are an essential part of what galaxies are and how they work. No one had expect

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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

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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

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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(154) / 评论(0)

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Whose Finger Do You Want on the Button?

Whose Finger Do You Want on the Button? Now, Words and Their Stories from VOA Learning English. On this program, we explore the meaning of everyday expressions in the English language. Today, we talk about a common object that appears in many express

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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

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I As long ago as 1860 it was the proper thing to be born at home. At present, so I am told, the high gods of medicine have decreed that the first cries of the young shall be uttered upon the anaesthetic air of a hospital, preferably a fashionable one

发表于:2019-01-23 / 阅读(364) / 评论(0)

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今天我们要学的词是hot button。 Hot button, 是热门、焦点。在美国加州进行的最新民意调查发现，支持同性婚姻的选民第一次占据了多数。 The results of the survey showed the highest level of support on the h

发表于:2019-02-06 / 阅读(165) / 评论(0)

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美国习惯用语:306 button your lip; on the button

今天我们要讲的习惯词语都包括这样一个词，button。大家也许已经知道button是纽扣，但是button也可以作动词，意思你也一定猜得到，就是扣上纽扣。我们今天要讲的第一个习惯用语是: button y

发表于:2019-02-06 / 阅读(185) / 评论(0)

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发表于:2019-02-06 / 阅读(151) / 评论(0)

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