三环岩兰烯

"The Truman Doctrine"

Mr. President, Mr. Speaker, Members of the Congress of the United States: The gravity of the situation which confronts the world today necessitates my appearance before a joint session of the Congress. The foreign policy and the national security of

发表于:2018-12-04 / 阅读(302) / 评论(0)

名人演讲

VOA常速英语2007-IDP Children In Mayo Farm Suffer High Malnutriti

By Lisa Schlein Geneva 08 October 2007 Sudan's infant malnutrition and mortality rates are among the highest in the world. Wherever international aid agencies operate, they make a difference in saving lives and creating healthier babies. Lisa Schlein

发表于:2019-01-07 / 阅读(47) / 评论(0)

2007年VOA常速英语（十月）

VOA标准英语2010年-Cloning Experiment Has Dangerous Outco

Infant Dren and SARAH POLLEY as Elsa Kast in Warner Bros. Pictures and Dark Castle Entertainments science fiction thriller SPLICE, a Warner Bros. Pictures release. Genetic research can yield new treatments for deadly diseases and foods that are more

发表于:2019-01-13 / 阅读(52) / 评论(0)

VOA标准英语2010年(六)月

VOA标准英语2009年-Clinton Says US Open to 'Productive Partne

Secretary of State Hillary Clinton says the United States is open to a productive partnership with Burma if the military government there ends the mistreatment of democracy leader Aung San Suu Kyi and addresses other international concerns. She spok

发表于:2019-01-14 / 阅读(38) / 评论(0)

VOA标准英语2009年(七月)

2006年VOA标准英语-UN Drug Agency Reports Sharp Fall in Golden Tri

By Ron Corben Bangkok 16 October 2006 The United Nations' drug agency says there has been another sharp fall in opium cultivation in the area of Southeast Asia known as the Golden Triangle, where Burma, Thailand and Laos meet. But, U.N. officials ar

发表于:2019-01-27 / 阅读(107) / 评论(0)

2006年VOA标准英语（十月）

ENVIRONMENT REPORT - Whooping Crane Recovery Project

ENVIRONMENT REPORT -May 17, 2002: Whooping Crane Recovery Project By Cynthia Kirk This is the VOA Special English ENVIRONMENT REPORT. Scientists are trying to create the first migrating group of whoop

发表于:2019-01-30 / 阅读(53) / 评论(0)

健康与环境

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学英语单词

AACSM

ACO (assembly and checkout)

Agathis alba

asynchronous computer