标签：google.earth 相关文章

Earth and Sky:Electric Fish 发电鱼

Electric Fish 发电鱼 One way that Harold Zakon and his team find fish to study is to put electrical detectors into the bottom of murky streams in Venezuela. This works because certain fish emit pulses of electricity. Discover electric fish -- on tod

发表于:2018-12-07 / 阅读(155) / 评论(0) 分类 (科普英语)Earth and Sky

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

发表于:2018-12-07 / 阅读(158) / 评论(0) 分类 (科普英语)Earth and Sky

Earth and Sky:Narrowing Uncertainties 新发现

Narrowing Uncertainties 新发现 In science, theories abound. Some are proven true, some are modified, some are completely abandoned. But even discrediting a theory is progress. Learn more about sorting through the uncertainties -- on today's Earth an

发表于:2018-12-07 / 阅读(139) / 评论(0) 分类 (科普英语)Earth and Sky

Earth and Sky:Spider Widows 蜘蛛寡妇

Spider Widows 蜘蛛寡妇 Spiders give many of us the shivers, though they usually leave people alone. Sometimes these spectacular predators instead prey on each other. Learn more about when spiders serve themselves as dinner -- today on Earth and Sky.

发表于:2018-12-07 / 阅读(144) / 评论(0) 分类 (科普英语)Earth and Sky

Earth and Sky:Aqua Spacecraft 水资源监测太空船

Aqua Spacecraft 水资源监测太空船 NASA's latest and most ambitious weather satellite is measuring Earth's water cycle. Learn more about the Aqua satellite -- today on Earth and Sky. DB: I'm Deborah Byrd. JB: And I'm Joel Block for Earth and Sky. This

发表于:2018-12-07 / 阅读(142) / 评论(0) 分类 (科普英语)Earth and Sky

Earth and Sky:Politics of CO2 二氧化碳的影响

Politics of CO2 二氧化碳的影响 Mention global warming to a room full of politicians, and you might just start an argument. But one thing most everyone can agree on is the need for more research. Learn more about the next phase of climate study -- to

发表于:2018-12-07 / 阅读(194) / 评论(0) 分类 (科普英语)Earth and Sky

Earth and Sky:Raindrops 雨滴

Raindrops 雨滴 From a light rain to a heavy downpour, raindrops fall to Earth's surface. And if you watch over time, you'll see that some raindrops are small and some much larger. Find out why -- on today's Earth and Sky. DB: This is Earth and Sky,

发表于:2018-12-07 / 阅读(209) / 评论(0) 分类 (科普英语)Earth and Sky

71. Earth in Danger p.488

Seeing is believing. But seeing a huge rock half the size of Earth smash into Jupiter in July 1996 was incredible. Can you imagine what would happen if Earth collided with a huge space rock? It would

发表于:2018-12-08 / 阅读(578) / 评论(0) 分类 赖世雄中级美国英语

Earth and Sky:King of Beasts 狮子

King of Beasts 狮子 Even skywatchers connect lions with royalty. For example, the brightest star in the constellation Leo the Lion is called Regulus -- which means little king. Discover why lions are said to be the king of beasts -- today on Earth a

发表于:2019-01-02 / 阅读(220) / 评论(0) 分类 (科普英语)Earth and Sky

Earth and Sky:Fire Regime 火

Fire Regime 火 Fire was a creation of life -- born from oxygen and organic matter -- ignited by lightning. Thus fire has been a fundamental feature of the Earth for at least 400 million years. A scientist talks about fire -- today on Earth and Sky.

发表于:2019-01-02 / 阅读(251) / 评论(0) 分类 (科普英语)Earth and Sky

Earth and Sky:Fire Cycle 火灾规律

Fire Cycle 火灾规律 The El Nino phenomenon of 1997-98 unleashed torrential rain in some parts of the world, while creating abnormally dry conditions in others. And it sparked record numbers of wildfires. Learn more about climate and wildfire -- toda

发表于:2019-01-02 / 阅读(257) / 评论(0) 分类 (科普英语)Earth and Sky

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

发表于:2019-01-02 / 阅读(219) / 评论(0) 分类 (科普英语)Earth and Sky

Earth and Sky:Climate Puzzles 气候之迷

Climate Puzzles 气候之迷 Scientists who predict Earth's future climate wish they knew how climate has changed in the past few thousand years. Learn more about modeling global climate -- today on Earth and Sky. JB: This is Earth and Sky. Most scienti

发表于:2019-01-02 / 阅读(227) / 评论(0) 分类 (科普英语)Earth and Sky

Earth and Sky:Forests and CO2 森林和二氧化碳

Forests and CO2 森林和二氧化碳 The amount of fossil fuel emissions released into the atmosphere has steadily risen since the Industrial Revolution. But recently, part of those emissions have been disappearing. Learn more about forests and CO2 -- on

发表于:2019-01-02 / 阅读(232) / 评论(0) 分类 (科普英语)Earth and Sky

Earth and Sky:Galactic Rotation 银河系自转

Galactic Rotation 银河系自转 Astronomers calculate there is ten times more matter in our Milky Way galaxy than we can actually see. Discover how the orbital motions of stars in the galaxy reveal dark matter -- on today's Earth and Sky. JB: I'm Joel

发表于:2019-01-02 / 阅读(265) / 评论(0) 分类 (科普英语)Earth and Sky

英语杂谈：68 The earth hour

China participated for the first time in the World Earth Hour campaign Saturday night by switching off all unnecessary lighting in residential, business and public venues, including iconic Olympic landmarks such as the Bird's Nest Stadium and Water C

发表于:2019-01-09 / 阅读(134) / 评论(0) 分类 英语杂谈

U2 绝对经典 peace on earth u2

heaven on earth we need it now i'm sick of all of this hanging around sick of sorrow i'm sick of the pain i'm sick of hearing again and again that there's gonna be peace on earth where i grew up there

发表于:2019-01-10 / 阅读(126) / 评论(0) 分类 欧美绝对经典 U2

SCIENCE IN THE NEWS - Scientists Find Most Earth-Like Planet

SCIENCE IN THE NEWS - Scientists Find Most Earth-Like Planet Yet Discovered By Dana Demange, Cynthia Kirk, ... Broadcast: Tuesday, June 28, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA

发表于:2019-01-11 / 阅读(143) / 评论(0) 分类 科技之光

China's rare earth policy justified: spokesman

BEIJING, March 15 (Xinhua) -- China's restrictions on rare earth exports are justified and are in line with World Trade Organization rules, Shen Danyang, spokesman for the Ministry of Commerce, said Thursday. The policy aims to protect resources and

发表于:2019-02-08 / 阅读(136) / 评论(0) 分类 英语新闻

网络最流行英文潮语

英语世界有自己的一套网络语言吗?当然有!如今的潮人聊天都喜欢用简写，玩谐音，越是让外人看起来高深莫测，自己心里头越是得意非凡。 有些人批评年轻人喜欢使用简化英语的现象，认为

发表于:2019-02-25 / 阅读(145) / 评论(0) 分类 英语口语
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