[医] 菱形的, 菱形, 菱形体

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(63) / 评论(0)

国家地理2008年

BEP72 Telephoning: Leaving a Voicemail Message

When you call someone but they arent there, often their voicemail picks up or answers the phone. Then you have to leave a message. Anyone who uses the phone in their job has to deal with voicemail. Have you ever started to leave a message on someones

发表于:2018-12-05 / 阅读(92) / 评论(0)

商务电话英语

2007年VOA标准英语-US Congress Hears Many Voices on Iraq

By Dan Robinson Washington 15 June 2007 As debate continues over Iraq, U.S. lawmakers have heard from a number of voices including U.S. military officials, and current and former U.S. and Iraqi diplomats. VOA's Dan Robinson was present during many of

发表于:2019-02-06 / 阅读(94) / 评论(0)

2007年VOA标准英语（六月）

ESL Podcast 433 – Describing People’s Voices

Adriana: Shhh, Im trying to listen to the radio. Ralph: How can you listen to that radio station? All of their deejays have such funny voices. Adriana: Thats precisely why I like it. Take this guy, Kevin. He has a deep , husky voice that I find reall

发表于:2019-02-07 / 阅读(93) / 评论(0)

地道美语播客

VOA标准英语2009年-UN Chief Voices Concern Over Afghan Civilian De

U.N. Secretary-General Ban Ki-moon says he is deeply concerned about civilian casualties in Afghanistan. Mr. Ban called for closer cooperation between civilian and military leaders. U.N. Secretary-General Ban Ki-moon, and Afghan President Hamid Karz

发表于:2019-02-07 / 阅读(62) / 评论(0)

VOA标准英语2009年(二月)

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(149) / 评论(0)

自然百科2008年

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a race of

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al-kharafi

anholonomonic constraint