刚性联轴器

ENVIRONMENT REPORT - Effects of Global Warming

ENVIRONMENT REPORT – May 10, 2002: Effects of Global Warming By Cynthia Kirk This is the VOA Special English ENVIRONMENT REPORT. Scientists say the warming of the Earth’s atmosphere has begun to a

发表于:2019-01-02 / 阅读(51) / 评论(0)

健康与环境

EXPLORATIONS - Amelia Earhart

EXPLORATIONS - December 11, 2002: Amelia Earhart By Marilyn Rice Christiano ((THEME) ) VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLOR

发表于:2019-01-02 / 阅读(42) / 评论(0)

Explorations

EXPLORATIONS - Harley-Davidson at 100

EXPLORATIONS - November 20, 2002: Harley-Davidson at 100 By Paul Thompson ((Sounds of a Harley-Davidson motorcycle)) VOICE ONE: Many people around the world know exactly what that sound is. This is Ma

发表于:2019-01-02 / 阅读(32) / 评论(0)

Explorations

EXPLORATIONS - Fuel Cell Cars

EXPLORATIONS -February 27, 2002: Fuel Cell Cars By Mario Ritter VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today we tell a

发表于:2019-01-02 / 阅读(68) / 评论(0)

Explorations

2007年VOA标准英语-FBI Says White Collar Crime Is Increasingly Glo

By Mona Ghuneim New York 17 April 2007 The Federal Bureau of Investigation says an increasing number of its cases involving white collar crime, cyber crime and securities fraud are international. In New York, FBI officials discussed efforts to coordi

发表于:2019-01-11 / 阅读(108) / 评论(0)

2007年VOA标准英语（四月）

2007年VOA标准英语-NASA Exploring Polar Ice Clouds

By Paul Sisco Washington 20 April 2007 NASA is preparing to launch a mission to the mesosphere, a region at the top of Earth's atmosphere where mysterious night shining clouds are formed. Little is known about the mesosphere, but its unique ice clou

发表于:2019-01-12 / 阅读(83) / 评论(0)

2007年VOA标准英语（四月）

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