单词：drain-holes
单词：drain-holes 相关文章
Lesson 3 Should the Brain Drain Be Stopped by Restrictions? Text Brain Drain It is said that Shanghai's musicians abroad could form a worldclass symphony orchestra. But the Shanghai Symphony Orchestra
高级口语教程
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
超大质量黑洞
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
超大质量黑洞
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.
超大质量黑洞
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
超大质量黑洞
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
超大质量黑洞
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
2011年VOA慢速英语(十一)月
[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
温馨夜读II
Mike washed his hands. He washed his hands with soap and water. He brushed his teeth. He brushed his teeth with toothpaste and water. He turned off the water. The sink was full of water. The water did not go down the drain. The water stayed in the si
超级简单英语阅读
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
双语有声阅读
Those stars don't feel the black hole. They feel the rest of the stars in the galaxy. They don't know or care that the black hole is there. If you took the black hole away from the galaxy, they would
超大质量黑洞
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
超大质量黑洞
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
电影歌曲
人的脑子不仅是各种思想和情绪的源泉，而且还控制着人体各部门的功能。人脑是人身体上非常关键的组成部份。大概也正是因为这个原因，
美国习惯用语
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
科技之光
drain作名词的时候可以指下水道。看见go down the drain这个习惯用语，你头脑里可能会出现这样的情景：有个人在洗澡的时候不小心把手上的钻戒滑落到浴缸排水孔里，在他还没来得及作出反应的
美国俚语
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.
2010年VOA慢速英语(十一)月
US Trying to Stop 'Reverse Brain Drain' The U.S. Congress is debating how to overhaul the nations immigration system in an effort to get foreign nationals who earn advanced degrees at American universities to stay and work in the country to help the
VOA标准英语2011年(十月)
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
VOA标准英语2016年(九月)
我们前两次讲了几个带有up这个词的习惯用语。今天要讲的习惯用语却都有和up相对的词： down。 Down这个词最常用的解释是往下。 比方说在今天要学的第一个习惯用语里：go down the drain。 Drai
美国习惯用语