音标：[prә'tɔtrәpi] ；

质子移变(作用)

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(484) / 评论(0)

国家地理2008年

VOA标准英语2009年-Space Station Astronauts Talk with Tro

Photo: NASA US forces in Iraq speak with 2 NASA astronauts aboard the ISS in a video downlink aired on NASA TV about life on the station, their military careers and what it is like to live in space for up to 6 months, 29 Dec 2009 When many Americans

发表于:2018-12-08 / 阅读(410) / 评论(0)

VOA标准英语2009年(十二月)

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

发表于:2018-12-19 / 阅读(422) / 评论(0)

环球英语 Spotlight

Control--- rule---govern

发表于:2018-12-30 / 阅读(388) / 评论(0)

自考英语（一）78讲

【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

发表于:2018-12-30 / 阅读(353) / 评论(0)

突破英文词汇

SCIENCE IN THE NEWS - International Treaty on Tobacco Contro

SCIENCE IN THE NEWS - International Treaty on Tobacco Control / Research Projects on Glaucoma By Broadcast: Tuesday, March 08, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special Englis

发表于:2019-01-02 / 阅读(419) / 评论(0)

科技之光

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(405) / 评论(0)

2018年VOA慢速英语(五)月

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(538) / 评论(0)

医务英语

Del Potro dreams of Olympic medal in London

BUENOS AIRES, July 16 (Xinhua) -- Argentinean tennis star Juan Martin Del Potro, ranked 9th worldwide, said bringing home a medal from the London 2012 Olympic Games would be akin to scoring a Grand Slam win. In an interview with local daily Clarin Mo

发表于:2019-01-09 / 阅读(468) / 评论(0)

英语新闻

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(387) / 评论(0)

VOA常速英语2007年（十二月）

粉红猪小妹第三季MP3 39 - Grampy Rabbit's Boatyard

图片1 图片2 图片3 图片4 图片5 图片6 图片7 图片8 图片9 图片10

发表于:2019-01-27 / 阅读(446) / 评论(0)

粉红猪小妹第三季

粉红猪小妹第三季MP3 36 - Grampy Rabbit's Lighthouse

图片1 图片2 图片3 图片4 图片5 图片6 图片7 图片8 图片9 图片10 图片11

发表于:2019-01-27 / 阅读(392) / 评论(0)

粉红猪小妹第三季

Hoppy the Kangaroo

Hoppy the little kangaroo was out for a walk with his mother．Mummy，I'm cold，he said suddenly．Then you must jump into my pouch at once，said his mother．Where is Hoppy？asked everyone when they got back home．He felt cold．He's gone insid

发表于:2019-01-30 / 阅读(382) / 评论(0)

趣味英语

60秒科学:Diet and the Brain

Diet and the Brain A study in the Proceedings of the National Academy of Sciences finds that brain chemicals linked to addiction are in play with a high-sugar diet, and a study in the Archives of Internal Medicine shows that a high-carb diet had last

发表于:2019-01-30 / 阅读(645) / 评论(0)

60秒科学

Federer beats Del Potro to capture second title in Rotterdam

THE HAGUE, Feb. 19 (Xinhua) -- Roger Federer grabbed his second title at the ABN AMRO World Tennis Tournament in Rotterdam after beating Juan Martin Del Potro 6-1, 6-4 in the final on Sunday in Rotterdam. The match was a replay of the 2009 US Open fi

发表于:2019-02-05 / 阅读(434) / 评论(0)

英语新闻

Del Potro and Benneteau reach final in Rotterdam

THE HAGUE, Feb. 16 (Xinhua) -- Juan Martin Del Potro and Julien Benneteau qualified for the final of the ABN AMRO World Tennis Tournament on Saturday. Second seeded Del Potro beat Bulgarian Grigor Dimitrov 6-4, 6-4. The Argentinean did not suffer a s

发表于:2019-02-08 / 阅读(439) / 评论(0)

英语新闻

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(398) / 评论(0)

万物简史

英文原声：Lana Del Rey 微电影《Tropico》

Lana Del Rey 微电影《Tropico》！电影艺术赋予了这个倾倒众生的女人一个展示灵魂的机会，这是你无法在平时见到的美丽躯体，意味深长的镜头切换唤醒了我们对于神秘之美的好奇，玄妙的音乐如

发表于:2019-02-17 / 阅读(378) / 评论(0)

流行英文歌曲

【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(391) / 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(591) / 评论(0)

中英双语新闻

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学英语单词

armored face conveyor

brevicellicium olivascens