In the icy field below the slope were yellow, brown,and green buildings; telephone poles; metal pipes; andstorage tanks. Tractors and bulldozers moved alonggravel roads. It looked like a small town. HONK! The sound came from a red bus with giganticwh

发表于:2018-12-10 / 阅读(60) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

And we start today with a by-the-numbers look at the dangerous situation on Hawaii's big island. That's where the notoriously active Kilauea volcano has been erupting again for about a week and a half now. The first number we have is almost 2,000. It

发表于:2018-12-18 / 阅读(35) / 评论(0) 分类 CNN美国有线新闻2018年7月

What makes science really fun is when you get to do things yourself, so today were going to be making moon craters. 科学真正变得有趣的时刻就是当你亲自实践的时候,那么今天,让我们来一起制作月球陨石坑吧! They

发表于:2018-12-28 / 阅读(70) / 评论(0) 分类 初学者听力文摘精选

Our climb continued. The gradients got steeper and narrower. Sometimes they were cut across by deep pits that had to be cleared. 我们继续往上走。石径愈来愈难走,愈来愈狭窄。有根深的空洞时时把路径切断,我们必须跳

发表于:2018-12-31 / 阅读(72) / 评论(0) 分类 《海底两万里》中英双语有声读物

据《科学》杂志报道,苏联的月球车40年前在月球表面留下了激光反射器,虽然经过多年的搜寻科学家始终没有发现激光反射器的踪迹。 4月22日,一组物理学家终于发现了来自反射器的微弱闪

发表于:2019-01-02 / 阅读(117) / 评论(0) 分类 60秒科学

By Edward Yeranian Cairo 27 October 2009 An Iraqi branch of al Qaida, which goes by the name of the Islamic State of Iraq, is claiming responsibility for Sunday's back-to-back suicide bombings in Baghdad that killed more than 150 people. Iraqi offic

发表于:2019-01-14 / 阅读(59) / 评论(0) 分类 VOA标准英语2009年(十月)

An Iranian passenger jet flying from Tehran to the Armenian capital Yerevan crashed in a field near the city of Qazvin, killing all 168 people on board. The plane was a Russian-made Tupolev model that is not allowed to fly over Western Europe. Irani

发表于:2019-01-14 / 阅读(51) / 评论(0) 分类 VOA标准英语2009年(七月)

Authorities in Afghanistan say that a powerful bomb explosion in a central province has killed 25 people, including at least 15 school children. President Hamid Karzai has condemned the blast as a savage and anti-Islamic attack. The violence comes a

发表于:2019-01-14 / 阅读(48) / 评论(0) 分类 VOA标准英语2009年(七月)

NASA: Ancient Martian Conditions Suitable for Life NASA says there is new evidence that ancient Mars could have supported microbial life. NASA's Curiosity rover has drilled into a rock near an ancient stream bed on the Red Planet, and the rover has a

发表于:2019-01-14 / 阅读(55) / 评论(0) 分类 VOA标准英语2013年(三月)

MICHEL MARTIN, HOST: We want to take a moment now to remember John Young, NASA's longest-serving astronaut. His career at NASA was filled with firsts, including being the first to fly in space six times. Young was also 1 of 12 people to walk on the m

发表于:2019-01-16 / 阅读(80) / 评论(0) 分类 2018年NPR美国国家公共电台1月

Officials in Russia say a train crash that killed at least 26 people and injured at least 50 late Friday may have resulted from an attack. 俄罗斯官员说,星期五晚上的火车事故可能是由于袭击造成的,这次事故导致至少26人

发表于:2019-01-19 / 阅读(87) / 评论(0) 分类 VOA双语新闻 2009年12月

A large car bomb blast outside the Danish embassy in Pakistan's capital has killed at least 8 people and wounded dozens of others. 驻巴基斯坦首都的丹麦大使馆外面发生了一起威力强大的汽车爆炸,这起在伊斯兰堡高尚区的

发表于:2019-01-19 / 阅读(58) / 评论(0) 分类 VOA双语新闻 2008年6月

By Paul Sisco Washington, DC 07 July 2006 watch Asteroid report A major asteroid passed by the Earth this week, and another is heading this way. An asteroid visible in the night sky Asteroids are similar to comets and meteors. But they are larger, m

发表于:2019-01-20 / 阅读(148) / 评论(0) 分类 2006年VOA标准英语(七月)

Large Impacts May Cause Volcanic Eruptions巨大冲击引发火山喷发 Other rocky planets in our solar system show a common feature: within giant craters caused by impacts theres evidence of volcanic activity. Which made scientists wondercan big i

发表于:2019-01-20 / 阅读(66) / 评论(0) 分类 2017年Scientific American(六)月

On June 30th, 1908, a huge explosion tore through the forest of Tunguska, Siberia. It was 20 years before the Russians mounted an expedition to the site. What they found astonished them. 60 million trees across an area the size of London had been lev

发表于:2019-01-23 / 阅读(68) / 评论(0) 分类 探索与发现2014年

So this was serial number one. It was built during the Apollo time. I guess because they thought there would be several of them made, but this is the first one and the last one and is the only one like it in the world. This is NASAs Vertical Gun Rang

发表于:2019-01-23 / 阅读(43) / 评论(0) 分类 探索与发现2014年

The meteorite was 15 kilometres across, enough to cause utter devastation across the whole planet. It exploded with a force of 100 million million tones of TNT. The blast sent a giant plume of vaporized rock out into space. A crater was punched 30 ki

发表于:2019-01-23 / 阅读(68) / 评论(0) 分类 探索与发现2014年

And its here in a freezer that Messenger will encounter another puzzle: can ice exist on a planet so close to the sun? It's only when the first radar observations to the surface of Mercury were obtained back in the 90s that it was discovered that Mer

发表于:2019-02-05 / 阅读(124) / 评论(0) 分类 自然百科2012年

KELLY MCEVERS, HOST: Now, NPR arts correspondent Mandalit del Barco is going to take us to a new pop-up art installation in Lincoln Heights. That's a neighborhood here in LA, just east of downtown. And she reports the exhibition by artist Simon Birch

发表于:2019-02-13 / 阅读(123) / 评论(0) 分类 2017年NPR美国国家公共电台5月

Serious produce server Neser Balwich directs from the front seat while aerial cameraman Mike Calen controls the camera attached to the lows. Above 10,000 feet, the pilot must breathe oxygen through a passed tool beneath the nostrils. Approaching the

发表于:2019-02-15 / 阅读(125) / 评论(0) 分类 自然百科2012年