[化] 紫菌红醚

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(156) / 评论(0)

国家地理2008年

与美国小学生一起学英文第5册第32期:小提琴

Violin 小提琴 The violin is one of the most important classic instruments. 小提琴是最重要的古典乐器之一。 The violin is more than 500 years old. 小提琴有500多年的历史。 Italian instrument makers made violins in the 16th ce

发表于:2018-12-13 / 阅读(100) / 评论(0)

与美国小学生一起学英文第5册

VOA标准英语2011--Millions More Children to Receive Vaccin

Millions More Children to Receive Vaccines More than one million children die each year from severe diarrhea and pneumococcal disease. Today (Tuesday), the GAVI Alliance announced an expanded campaign against the two leading killers of children world

发表于:2018-12-16 / 阅读(140) / 评论(0)

VOA标准英语2011年(九月)

[单词解析速记].JV566.(Scintillate.and.Verify)

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到听力原文收集区，您将会获得10到30积分的奖励! Thank you！

发表于:2018-12-30 / 阅读(163) / 评论(0)

单词解析速记

VOA标准英语2011--US Scientists Expand Scope of HIV Vaccin

US Scientists Expand Scope of HIV Vaccine Study The worlds largest ongoing HIV vaccine study has been expanded to consider multiple ways a vaccine might boost immune response to the AIDS virus. The U.S. Institute of Allergy and Infectious Diseases (N

发表于:2019-01-14 / 阅读(132) / 评论(0)

VOA标准英语2011年(八月)

词汇大师(Wordmaster)--Slangman: Political Terms ('Cindere

Broadcast on Coast to Coast: November 7, 2002 Rebroadcast on VOA News Now: November 10, 2002 AA: I'm Avi Arditti with Rosanne Skirble, and this week on WORDMASTER -- slang and idioms in American politics. RS: Tuesday was Election Day, and Slangman Da

发表于:2019-01-25 / 阅读(203) / 评论(0)

词汇大师(Wordmaster)

2006年VOA标准英语-French Researchers Develop Bird Flu Vaccin

By Jessica Berman Washington 11 May 2006 French researchers at the Sanofi Pasteur Institute say they have developed a bird flu vaccine that, so far, appears to be safe and effective in humans. But obs

发表于:2019-02-04 / 阅读(182) / 评论(0)

2006年VOA标准英语（五月）

英语听力：自然百科 Rho Ophiuchi Cloud 璀璨的星云

Transcript for Reference Only --chunshan The infrared astronomical satellite, now celebrating its 25th anniversary, gave us the first all sky view of our dusty infrared universe. Floating above the galactic center is the Rho Ophiuchi Cloud, about 400

发表于:2019-02-26 / 阅读(223) / 评论(0)

自然百科2008年

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学英语单词

break out in a riot of laughter

callisthenic

catch fleas for sb

central station control