n. 〔天〕原行星

国家地理-2008-03-20 Rho Ophiuchi Cloud 璀璨的星云

Rho Ophiuchi dark cloud is one of the closest star-forming regions to our own solar system. Located near the constellations Scorpius and Ophiuchus, the nebula is about 407 light years away from Earth. The infrared astronomical satellite, now celebra

发表于:2018-12-05 / 阅读(125) / 评论(0)

国家地理2008年

北师大小学英语六年级下--unit9a

[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.

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清华大学版小学英语(一到六年级)

高中英语人教版必修3 04

[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.

发表于:2018-12-13 / 阅读(148) / 评论(0)

高中英语人教版必修

英语听力—环球英语 1437 The History of Money

Voice 1 Welcome to Spotlight. Im Katy Blake. Voice 2 And Im Christy VanArragon. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 Small, shiny shells. Roun

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环球英语 Spotlight

【突破英文词汇】prot, proto -- first 第一

1. protagonist /prəˈtgənɪst/ -- the leading(first) character in a play, novel or story Brutus is the protagonist in William Shakespeare's Julius Caesar and Antony is the antagonist. 布鲁特斯在威廉莎士比亚的《尤利乌斯凯撒》中是

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突破英文词汇

60秒科学:Water Blankets Forming Planets

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

发表于:2019-01-02 / 阅读(148) / 评论(0)

60秒科学

VOA慢速英语2018 科学家观测到巨大星系团的诞生

Scientists Observe Birth of Huge Galaxy Cluster For the first time ever, astronomers have observed the birth of a galaxy cluster, known as a protocluster. The event, billions of light-years away, could form one of the largest-known structures in toda

发表于:2019-01-03 / 阅读(73) / 评论(0)

2018年VOA慢速英语(五)月

US Astronomers Find 'Smaller' Planets Around Distant Suns

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

发表于:2019-01-03 / 阅读(85) / 评论(0)

VOA2004（下）--健康科技

专业术语—中草药成分英汉对照词汇P2

d-Pinoresinoldi-O-b-glucopyranoside 松脂酚双吡喃葡萄糖甙 d-Pinoresinol d-松脂素 Piperitone 胡椒酮 Plantaginin 车前甙 Platycodin A, C, D 桔梗皂甙A，C，D Podophyllotoxin 鬼臼毒

发表于:2019-01-03 / 阅读(129) / 评论(0)

医务英语

2006年VOA标准英语-Solar System Could Gain New Planets Under Defin

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

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2006年VOA标准英语（八月）

美国国家公共电台 NPR Astronomers Find 7 Earth-Size Planets Around A Nearby Star

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

发表于:2019-01-16 / 阅读(58) / 评论(0)

2017年NPR美国国家公共电台2月

纯正英语一分钟-planets

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.

发表于:2019-01-21 / 阅读(64) / 评论(0)

纯正英语一分钟

听一分钟英文：Planets-星球

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听一分钟英文-P

VOA常速英语2007年-Australia's New PM Signs Kyoto Protocol on Clim

By Phil Mercer Sydney 03 December 2007 Kevin Rudd has been sworn in as Australia's new Prime Minister with an agenda of action on climate change and the repeal of unpopular industrial laws. The new government has signed the Kyoto Protocol on climate

发表于:2019-01-25 / 阅读(80) / 评论(0)

VOA常速英语2007年（十二月）

2006年VOA标准英语-Astronomers Find Signs Planets Might Form

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

发表于:2019-02-02 / 阅读(145) / 评论(0)

2006年VOA标准英语（四月）

万物简史第437期:小生物的世界(8)

In 2001, a team from Tel Aviv University argued that B. permians were almost identical to a strain of modern bacteria, Bacillus marismortui, found in the Dead Sea. 2001年，以色列特拉维夫大学的一个小组认为，二叠纪芽孢杆菌与一

发表于:2019-02-17 / 阅读(98) / 评论(0)

万物简史

Researchers find "lonely planets"

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

发表于:2019-02-17 / 阅读(65) / 评论(0)

英语新闻

VOA标准英语2010年-Five New Planets Discovered by NASA's

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

发表于:2019-02-18 / 阅读(128) / 评论(0)

VOA标准英语2010年(一月)

【英语时差8，16】太阳为什么发光

What makes the sun shine? For a lot of folks, this is the kind of thing that doesn't even require explanation: it just does. But just being a commonplace phenomenon in no way explains it. Something must cause the sun to shine. And, in fact, there is

发表于:2019-02-23 / 阅读(93) / 评论(0)

英语时差8，16

中英双语新闻国演员艾伦·里克曼去世

The British actor Alan Rickman has died of cancer at the age of 69. In movies, he won fame for his role as Severus Snape in the Harry Potter series and before that in films such as Truly Madly Deeply, Love Actually, Die Hard, Sense and Sensibility an

发表于:2019-03-04 / 阅读(154) / 评论(0)

中英双语新闻

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学英语单词

apical ligament of dens

array algorithm

automatic coupling device