单词：reference interaction number (unique identifier)
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By Ernest Leong Washington, DC 04 February 2008 It is winter in Washington, people bundled in heavy coats to shield themselves from the cold weather. Many seek refuge at indoor events. The recently held Washington Auto Show - where visitors got an up
VOA常速英语2008年（二月）
The U.N. Secretary-General says between $25 billion and $40 billion is needed each year to boost agricultural production and assist farmers worldwide, in order to curb the growing global food crisis. From United Nation's headquarters in New York, VO
VOA标准英语2008年（七月）
Have you ever considered the possibility that the sun will eventually burn out? Don and Yael discuss that sobering thought on this Moment of Science. [OUTSIDE INSECT SOUNDS] D: Wow, what a beautiful s
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65 航天飞机的飞行准备 DATE=7-4-01 TITLE=EXPLORATIONS #1959 - Preparing Shuttle for Space Flight BYLINE=Paul Thompson VOICE ONE: This is Shirley Griffith. VOICE TWO: And this is Steve Ember wi
科技之光
【英文原文】 Like all stars, the sun is basically a giant nuclear reactor that burns hydrogen to create energy. But like any reactor, the sun needs fuel to keep going. Its been going strong for around four-point-five billion years, and will pro
英语听力广播—Listening
So Long, Sun 再见了，太阳 D: Wow! What a beautiful sunset. Y: Enjoy it while it lasts, the sun wont be around forever, you know. D: You mean, one day the sun will disappear? Y: Not exactly disappear, but the sun will eventually burn out and die
英语听力文摘 English Digest