[化] 非连续磁表面记录介质

VOA慢速英语2014 Hoverboards Ignore Gravity

Hoverboards Ignore Gravity Can you imagine riding around the streets of your hometown on a skateboard without wheels? In the late 1980s, film director Robert Zemeckis showed a skateboard floating above the ground in his movie Back To The Future Part

发表于:2018-12-16 / 阅读(51) / 评论(0)

2014年VOA慢速英语(十二)月

SCIENCE IN THE NEWS - Mars Once Had Moving Plates Like Earth

SCIENCE IN THE NEWS - Mars Once Had Moving Plates Like Earth Has Now By Katherine Gypson, Cynthia Kirk and Karen Leggett Broadcast: Tuesday, November 08, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE

发表于:2019-01-02 / 阅读(42) / 评论(0)

科技之光

VOA标准英语2014--New Skateboard Defies Gravity

New Skateboard Defies Gravity WASHINGTON A futuristic dream only a couple of decades ago, the hoverboard a skateboard that floats above the ground - has finally been made possible. While still not ready for mass production, it promises to become a co

发表于:2019-01-14 / 阅读(37) / 评论(0)

VOA标准英语2014年(十一月)

英语听力：自然百科地球力场 Earth's Force Field—5

If we could flip a switch and just turn off the Earth's magnetic field, it will take about 15,000 years to disappear, based on the rate of decay of the field that we've seen over the last 150 years. It's currently decaying at a rate that would see an

发表于:2019-01-22 / 阅读(46) / 评论(0)

自然百科2011年

VOA常速英语2007年-International Media Heavyweights Continue to Bo

By Phil Mercer Sydney 11 November 2007 Australian cricket authorities are locked in a dispute with major news organizations over coverage of test matches. Cricket Australia, the game's governing body, has demanded that news groups hand over rights to

发表于:2019-02-06 / 阅读(35) / 评论(0)

VOA常速英语2007年（十一月）

剑桥雅思报考指南第28期:OG06 Recording 30

听力文本 Recording 30 录音30 1. We've recently been doing some research involving mice. We were trying to find out what causes the cells in our body to age. 1、我们最近在做一些和老鼠有关的研究。我们尝试找出我们体内的细

发表于:2019-03-15 / 阅读(131) / 评论(0)

剑桥雅思报考指南

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