大学英语自学教程上UNIT3

[00:02.39]第三单元 课文A [00:04.78]The Atlantic Ocean [00:07.01]大西洋 [00:09.25]The Atlantic Ocean is one of the oceans [00:11.91]大西洋是分隔新大陆 [00:14.58]that separate the old World from the New. [00:17.40]与旧大陆的大洋之一。 [00:20.22]For cen

有声英文阅读-月球

The Moon 月球 We find that the moon is about 239,000 miles (384,551 km) away from the earth, and, to within a few thousand miles, its distance always remains the same. Yet a very little observation

Earth and Sky:Black and White　黑与白

Black and White黑与白 Sometimes you hear it said that white is a combination of all the colors of the rainbow -- and that black is the absence of color. Find out more about whether black and white are colors -- today on Earth and Sky. JB: This is Ear

太阳科普 第5期

Today that sounds ridiculous. 今日这种说法听来荒唐 But two hundred years ago it didn't seem so unlikely. 但是两百年前还颇言之成理 It was widely believed that 当时一般人认为 the Earth was only a few thousand years old. 地球

太阳科普 第8期

Now the speed of light is a very,very big number. 光速是个很大的数字 So if we just take a small amount of mass, 所以只要一点点质量 you get a huge amount of energy. 就含有大量能量 And that's the energy which actually powers ou

神秘的月球 第6期

This transmission is coming to you approximately half way 我们现在差不多位于 between the moon and the earth. 月球至地球的中途点 Back on earth, people watched and waited and listened. 地球上的人们满心期待地收看任务实况

有声英文阅读-彩虹来自何方

Where Do Rainbows Come From? Throughout history, rainbows have been a source of mystery and legend. Rainbows are also important symbols in a number of cultures around the world. In the Old Testament o

Earth and Sky:Sunscreened Plants 遮光植物

Sunscreened Plants 遮光植物 A NASA researcher is finding that alfalfa plants grow more poorly when exposed to UVB -- ultraviolet B radiation from the sun. Learn more about sunscreened plants -- today on Earth and Sky. JB: This is Earth and Sky. Eart

圣诞歌曲:The First Noel

The First Noel the first noel the angels did sing was to certain poor shepherds in fields as they lay in fields fields where they lay keeping their sheep on a cold winter's night that was so deep noel, noel, noel, noel born is the king of israel and

美国国家公共电台 NPR A 4 Billion Light-Year Journey Ends At The South Pole

MARY LOUISE KELLY, HOST: Scientists announced today that for the first time, they have been able to pinpoint the source of a particle called a high-energy neutrino. It was detected by an observatory at the South Pole. And as NPR science correspondent

高中英语人教版必修5 03

[00:13.09]Reading, speaking and writing [00:16.54]I HAVE SEEN AMAZING THINGS [00:20.48]My first visit was to a space station [00:24.45]considered the most modern in this part of space. [00:28.21]Described as an enormous round plate, [00:31.92]it spin

VOA慢速英语 2008 1001b

This is the VOA Special English Health Report. Governments, businesses and other groups have promised to add three billion dollars to the fight against malaria. The promises came last week at a meeting at the United Nations in New York. The money wi

TED演讲:时空穿越是可能的吗?(1)

Have you ever daydreamed about traveling through time, perhaps fast forward in the centuries and seeing the distant future? 你曾白日梦过穿越时空吗？或者穿越到几百年之后及看到遥远未来？ Well, time travel is possible, and

西红柿是水果？破解50个现代常见误解

Coffee is made from beans, chameleons change colour to match their surroundings and Mount Qomolangma is the 'tallest' mountain in the world. 咖啡是由咖啡豆制成，变色龙会根据它们周围的环境改变身上的颜色，珠穆朗玛峰是

PBS高端访谈:科学家发现宜居新行星 离地球4光年

HARI SREENIVASAN: Time now for our weekly segment on science called the Leading Edge, and the discovery of another possible Earth-like planet that's grabbing worldwide attention today. It is true, scientists have previously said they believe there ar

孙燕姿的“绿光”真实存在

还记得孙燕姿那首红遍大江南北的《绿光》吗？翻越过前面山顶、层层白云，绿光在哪里？不知道有多少人跟小编一样，以为歌里的绿光只是对幸福的比喻。而其实在现实中，绿光是真实存在

嫦娥5号探测器今年将带回月球土壤

China's unmanned lunar probe Chang'e-5, set to be launched around December 2017, will bring lunar soil samples back to Earth, says Wu Yanhua, deputy chief of the China National Space Administration. 国家航天局副局长吴艳华近日表示，我国

传说中,彩虹象征什么?

【原文】 Where Do Rainbows Come From? Throughout history, rainbows have been a source of mystery and legend. Rainbows are also important symbols in a number of cultures around the world. In the Old Testament of the Bible, for example, God shows N

外星移民不是梦 超级地球被确认存在

Astronomers believe mysterious signals - previously dismissed as stellar bursts - are coming from an Earth-like planet. 早前被认为是由附近星体出现磁场爆炸造成的光的Gliese 581d近日被天文学家确认存在。 The Gliese 581d

【英文短篇小说】The Star

The Star by H.G. Wells (1897) - as read by Alex Wilson It was on the first day of the new year that the announcement was made, almost simultaneously from three observatories, that the motion of the planet Neptune, the outermost of all the planets tha