[光] 二维光谱

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(65) / 评论(0)

国家地理2008年

2007年VOA标准英语-Mideast Quartet Partners Spar over Engaging Syr

By David Gollust State Department 02 February 2007 The international diplomatic Quartet on the Middle East Friday endorsed an upcoming three-way U.S., Palestinian and Israeli meeting aimed at reopening discussion of final-status issues of the peace p

发表于:2019-01-16 / 阅读(76) / 评论(0)

2007年VOA标准英语（二月）

美国国家公共电台 NPR Trump's NAFTA Makeover Not So Extreme

AILSA CHANG, HOST: Starting tomorrow, the U.S., Canada and Mexico will begin renegotiating the North American Free Trade Agreement. And despite very tough talk about NAFTA during the campaign, it appears the Trump administration is backing away from

发表于:2019-01-16 / 阅读(39) / 评论(0)

2017年NPR美国国家公共电台8月

Sweden flabbergasts Germany with a comeback in World Cup qualifier

Sweden flabbergasts Germany with a comeback in World Cup qualifier BERLIN, Oct. 16 (Xinhua) -- Sweden neutralized a 4-0 lead by Germany within 30 minutes to flabbergast the host at Berlin Olympia stadium in Group C of the World Cup qualifiers on Tues

发表于:2019-02-13 / 阅读(50) / 评论(0)

英语新闻

Pirlo to leave AC Milan

MILAN, May 18 (Xinhua) -- Midfielder Andrea Pirlo has been confirmed by AC Milan to leave the club after 10 seasons, while both Alessandro Nesta and Filippo Inzaghi have agreed to one-year extensions. The 31-year-old had his contract expired(期满)

发表于:2019-02-18 / 阅读(71) / 评论(0)

英语新闻

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(149) / 评论(0)

自然百科2008年

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circular cylindrical cavity resonator