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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(188) / 评论(0)

国家地理2008年

2006年VOA标准英语-Does North Korea's Taepodong-2 Ballistic Missil

By Andre de Nesnera Washington 06 July 2006 Just a few days ago, North Korea triggered an international furor when it conducted several ballistic missile tests. In this report from Washington, VOA Senior Correspondent Andr de Nesnera looks at whethe

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2006年VOA标准英语（七月）

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

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2007年VOA标准英语（二月）

英语播客EnglishPod 196

A: Ello-hay, Aniel-day eaking-spay, ow-hay ay-may I elp-hay ou-yay B: Ay-hay, Aniel-day, Ulie-jay ere-hay A: Ay-hay, Ulie-jay, ow-hay are ou-yay? B: Actually, I m eeling-fay ite-quay ill otday-tay. A: Im orry-say oo-tay ear-hay, at-they. ut-way is on

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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(249) / 评论(0)

自然百科2008年

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发表于:2019-03-05 / 阅读(170) / 评论(0)

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学英语单词

acquisition of the right to a mark

agatize,agatized

alternating-group flashing light

an unfavourable balance

anterior segmental bronchus

approximation suture

autoprecipitation

beta-ascharite (szaibelyite)

bulwark handrail

circumoval precipitate

cold degree-day

collaborative information system development

Core PCE deflator

demodulated colour subcarrier

deoxythymidylic acid(TMP,dTMP)

desoxyglucosamine

diplazium tomiteroanum masam.

earth-moving scraper

engine test plant

flemish dialects

imprecise probability

Indigofera howellii

industrial-relations

inverse estimation

laparonephrectomy

light-proof enclosure

main-and-tail haulage

moving average filter

muonium chemistry

negative electron affinity photocathode

non-tidal basin

nonlinear regulation

numbering system

optional delivery

oxygen consumption rate of exercise

predefined futures calendar spreads

Private Annuity

snap-back forming

spherical colony

suboccipito-fronta1 diameter

traffic island refuge

uniform substantive law

whistle-stopped