单词：terrestrial planets
[网络] 三颗类地行星；地球型的行星；地球及火星称为
单词：terrestrial planets 相关文章
Who would have ever thought that a creature with an extending 1) turtle-like neck, a finger as bright as a nightlight, or a 2) penchant for Coors beer would translate into hundreds of millions of doll
疯狂英语2002年
[00:02.18]UNIT 9 Life in the year 2050 [00:07.93]Next Monday,we are going to help clean up the [00:11.40]forest and plant some trees. [00:14.25]You'll need some work gloves. [00:17.08]I don't understand why people leave trash in the [00:20.49]forest.
清华大学版小学英语(一到六年级)
[00:06.58]Reading HOW LIFE BEGAN ON THE EARTH [00:11.44]After the Big Bang,the earth was just a cloud of energetic dust. [00:17.08]What it was to become was a mystery until the dust began to slowly combine [00:22.41]into a ball moving around the sun.
高中英语人教版必修
[by:Studyplayer] [00:00.00]MODULE 3 Journey tospace [00:01.72]模块 3 太空之旅 [00:03.43]Unit 1 Has it arrivedyet? [00:05.02]第一单元 已经到了吗？ [00:06.61]Listening and vocabulary [00:07.68]听力和词汇 [00:08.74]1 Listen and numb
新标准初中英语第三册
When the Arctic Ocean freezes over in the autumn, polar bears set off in search of their favorite meals: fatty ringed seals and bearded seals. By the summer, the sea ice begins to melt and break apart. Deprived of access to the tasty seals, polar bea
2016年Scientific American(十)月
Water Blankets Forming Planets A study in the journal Science finds much more molecular water in regions where planets are forming around young stars. The mechanism to keep the water from being destroyed by UV radiation appears to involve some of the
60秒科学
By David McAlary U.S. astronomers have made a finding they say increases the chance that distant stars may harbor planetary systems like our own. They have discovered two planets the size of Neptune e
VOA2004（下）--健康科技
中文 英文 缩写 等效（值）忙时呼叫 Equated Busy Hour Call EBHC 等效功率流密度 Equivalent Power Flux Density EPFD 等效随机业务 equivalent random traffic 等效误码率 Equiv
电信英语
This is Scientific American's 60-Second Science, I am Cynthia Graber.This'll just take a minute. On earth, snow crystals as we all know, form from frozen water. But scientists believe there're also flakes that fall on Mercury, and they're made of iro
Scientific American(六)月
We're gonna have that little Colorado town. That is on the map now for being a UFO magnet. Last week, the people of Lafayette, population of 26,000, looked up the night's sky and saw a strange triangular formation of lights. The video has gone viral,
万花筒2011年
By David McAlary Was 16 August 2006 Artist's rendition of solar system There may soon be three new planets in our solar system. The expansion would be the result of a proposed new definition of what a planet is. The change is controversial, but if a
2006年VOA标准英语（八月）
AUDIE CORNISH, HOST: Today, scientists announced a big discovery around a star in the constellation Aquarius - seven planets about the size of Earth. And as NPR's Nell Greenfieldboyce reports, they're most likely rocky planets that could be cozy enou
2017年NPR美国国家公共电台2月
How did all the planets get there? How is it only our planet has life? Will we ever travel to other planets? These are questions I often think about. I think our planet is the best. It looks so beautiful from space with its mixture of blue and green.
纯正英语一分钟
How did all the planets get there? How is it only our planet has life? Will we ever travel to other planets? These are questions I often think about. I think our planet is the best. It looks so beautiful from space with its mixture of blue and green.
听一分钟英文-P
63 火星的神秘运动 DATE=6-27-01 TITLE=SCIENCE REPORT - The Motion of Mars BYLINE=Mario Ritter (Start at 59
科技之光
By David McAlary Washington 05 April 2006 New evidence from an orbiting U.S. telescope indicates that planets might rise up out of a dead star's ashes. This is the first time scientists have detected
2006年VOA标准英语（四月）
Topics: Movies - E.T.: The Extra-Terrestrial; The MacArthur Fellows Program; important versus significant versus critical; tough; navel-gazing Words: extra-terrestrial alien to be stranded to lure psychic highest-grossing foundation genius merit no s
美语听力 English Cafe
BEIJING, May 20 (Xinhuanet) -- Scientists have discovered a Jupiter-sized exoplanet that is completely unbound from a host star, according the scientific journal Nature published Thursday. The research was conducted by astrophysicists from Osaka Univ
英语新闻
Artist's conception of the Kepler spacecraft, launched in 2008 to identify planets orbiting distant stars Related Links Kepler The planets we found are all hotter than molten lava. ... Looking at them might be like looking at a blast furnace. Scienti
VOA标准英语2010年(一月)