VOA慢速英语2017--Distant Star Refuses to Die

Scientists have long believed that a star explodes when it reaches the end of its life. This explosion is called a supernova. NASA, the American space agency, describes a supernova as the largest explosion that takes place in space. Recently, a team

VOA 商务英语 lesson34

Dialog 1: Operation(业务，经营) F：World Graphics has quite an operation.(经营很不错 M: Thank you. But as you can see, we dont have any more room. F: you mean youve run out of space.( ideas,time) M: we grow so fast, we don't have any more office spa

2018年CRI Installation completed for pressure vessel of Hualong One nuclear power unit

The pressure vessel of the No. 5 reactor at the Fuqing Nuclear Power Plant in Fujian has been installed. The facility is using Chinese designed-and-built third-generation Hualong One reactor technology. The nuclear power unit is scheduled to be put i

SSS 2012-01-11

This is Scientific Americans -60 seconds science .I'm Steve Murskey.Got the minute? People with high blood pressure are often told to watch the salt, and it's long been far that hypertension related to excess salt is caused by the salt increasing in

高级英语听力 lesson 23

Soviet officials have confirmed that a crippled nuclear submarine sank in the Atlantic early today. US officials believe the sub carried at least sixteen nuclear missiles. Explosion and fire on the vessel last Friday killed three crewmen. The rest of

2015-01-30 BBC:星光七纪元-5

Many regions within these clouds can stay like that for ever for millions of years until something happens, a trigger and then a star forms.The trigger for such a monumental event doesn't have to be much, two clouds conbine as they pass, or a distant

我国空间站方案已确定 2024年或成太空中唯一

China may be the only country to have a space station in service by 2024 when the International Space Station retires, said Lei Fanpei, chairman of China Aerospace Science and Technology Corp. 中国航天科技集团董事长雷凡培日前表示，到

Ring of Fire Eclipse Passes Over Africa

AS IT IS 2016-09-02 Ring of Fire Eclipse Passes Over Africa People in parts of Africa witnessed a ring of fire in the sky Thursday, created by the moon passing between the Earth and the sun. The solar event is called an annular eclipse. A total solar

VOA标准英语2008年-All Systems Go for China's Manned Space Launch

China says all systems have passed through final preparations and are ready for the country's third manned trip to outer space, which is scheduled to launch Thursday night. One of the three astronauts on board will be the first Chinese to walk in sp

VOA标准英语2011--Chernobyl Disaster Leads to Advances in

Chernobyl Disaster Leads to Advances in Science, Medicine The accident at the Chernobyl nuclear plant did much more than change the lives of hundred thousands of affected people. It also contributed greatly to Western science. Physicists and medical

VOA标准英语2011--Fukushima Plant Operator: Nitrogen Pumpi

Fukushima Plant Operator: Nitrogen Pumping Operation Going Well A plan to inject nitrogen into the containment vessel around reactor 1 at the Fukushima Daiichi power plant appears to be working, the plant owner said Thursday. Higher pressure levels h

美国国家公共电台 NPR Making Space Food With Space Poop

SCOTT SIMON, HOST: There's only so much space on a spacecraft, which means limited space for food and water. American crews on the International Space Station recycle their own sweat and urine to produce fresh drinking water - bottoms up. Now new res

VOA双语新闻 Damaged US Nuclear Sub Returns to Guam

A U.S. Navy nuclear-powered attack submarine, under heavy escort, has arrived back at its home port of Guam after a fatal accident at sea. 美国旧金山号核动力攻击潜艇在发生致命事故以后，在严密的护航之下返回在关岛的基

【文摘】再见，太阳！

Have you ever considered the possibility that the sun will eventually burn out? Don and Yael discuss that sobering thought on this Moment of Science. [OUTSIDE INSECT SOUNDS] D: Wow, what a beautiful s

什么运动最有利于降血压?

Question: What is the best exercise to control high blood pressure? 提问：控制血压的最佳锻炼方式是什么？ Answer: Take your pick, as the best exercise to control high blood pressure seems to be virtually any exercise, like walking or

Chernobyl Accident Anniversary Recalled

Pripyat, Ukraine. A dead city. Homes, schoolrooms, playgrounds, and other places are crumbling as wild nature reclaims the land. Pripyat once had some 50,000 residents（居民） . Now they are gone, perhaps forever. Only the artifacts of their live

VOA标准英语2012--Different Blood Pressure in Both Arms Linked to Heart Disease

Different Blood Pressure in Both Arms Linked to Heart Disease Cardiologist Oscar Garfein takes blood pressure readings from both of his patients' arms. That technique saved the life of one of his patients. I found that in one arm, it was very, very l

太阳生命的终点是何时?

【英文原文】 Like all stars, the sun is basically a giant nuclear reactor that burns hydrogen to create energy. But like any reactor, the sun needs fuel to keep going. Its been going strong for around four-point-five billion years, and will pro

英语听力文摘 English Digest 370、太阳会消失吗？

So Long, Sun 再见了，太阳 D: Wow! What a beautiful sunset. Y: Enjoy it while it lasts, the sun wont be around forever, you know. D: You mean, one day the sun will disappear? Y: Not exactly disappear, but the sun will eventually burn out and die

【英语时差8,16】核电厂更安全了吗？（下）

According to the 2009 update of an MIT study first published in 2003, nuclear power plants in the United States have become more reliable and significantly safer. For one thing, nuclear plant operators now receive better and more rigorous training. A