震波速度

1) Entrepreneurs are spending millions to create for-profit universities of the Internet, and the smart money is betting that by the time your middle schoolers go off to college, they may not really g

发表于:2018-11-28 / 阅读(145) / 评论(0) 分类 疯狂英语2002年

Passage 20 Waves How does light get from the sun to the earth? How does music get from the stage to the audience? They move the same way in waves! Light and sound are forms of energy. All waves carry energy, but they may carry it differently. Light

发表于:2018-11-30 / 阅读(151) / 评论(0) 分类 英语专业四级听写

Catchawaveandyouresittin Ontopoftheworld Dontbeafraidtotrythegreatest Sportaround (Catchawave,catchawavenow) Thosewhodontjusthaveto Putitdown Youpaddleoutturnaroundandraise Andbaby Thatsallthereistothe Coastlinecraze Catchawaveandyouresittin Ontopoft

发表于:2018-12-06 / 阅读(74) / 评论(0) 分类 美国 Kidsongs 英语儿童歌曲

One of the newest sources of alternative energy is also one of the oldest - water power. The 19th century water wheel, though, bears no resemblance to the 21st century contraptions powered by ocean waves. The wave energy sector has been slow to coale

发表于:2018-12-16 / 阅读(80) / 评论(0) 分类 VOA标准英语2010年(十一)月

BCF(Boot Catalog File,启动目录文件) BIF(Boot Image File,启动映像文件) CDR(CD Recordable,可记录光盘) CD-ROM/XA(CD-ROM extended Architecture,唯读光盘增强形架构) CDRW(CD-Rewritable,可重复刻录光盘) CLV(Constant

发表于:2018-12-18 / 阅读(165) / 评论(0) 分类 英文语法词汇

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 long [ lCN ] I longed for a bicycle. v

发表于:2018-12-30 / 阅读(141) / 评论(0) 分类 每日攻克5词

CatchAWave Catchawaveandyouresittin Ontopoftheworld Dontbeafraidtotrythegreatest Sportaround (Catchawave,catchawavenow) Thosewhodontjusthaveto Putitdown Youpaddleoutturnaroundandraise Andbaby Thatsallthereistothe Coastlinecraze Catchawaveandyouresitt

发表于:2018-12-31 / 阅读(149) / 评论(0) 分类 美国 Kidsongs 英语儿童歌曲

Broadcast: May 16, 2003 By George Grow This is the VOA Special English Environment Report. Scientists in the United States have developed a computer program that they say could provide an early warnin

发表于:2019-01-02 / 阅读(80) / 评论(0) 分类 VOA2003(上)-科技导航

China's weather observatory has issued a blue alert for a cold wave in the coming two days that will sweep central and east China. The National Meteorological Center forecasts sharp temperature drops of up to 10 degrees Celsius and heavy wind to Inne

发表于:2019-01-05 / 阅读(120) / 评论(0) 分类 cctv9英语新闻2015年

今天我们要学的词是heat wave。 Heat wave, 热浪,高温天气。 A heat wave is sweeping the Northeastern region of the United States, 美国东北部地区普遍出现高温天气。 The heat wave could be a record-breaker, 这次高温天气

发表于:2019-01-07 / 阅读(121) / 评论(0) 分类 英语单词荟萃

今天我们要学的词是heat wave。 Heat wave, 热浪,高温天气。 A heat wave is sweeping the Northeastern region of the United States, 美国东北部地区普遍出现高温天气。 The heat wave could be a record-breaker, 这次高温天气

发表于:2019-01-07 / 阅读(121) / 评论(0) 分类 英语每日一词

SCIENCE IN THE NEWS - The Ever-Present Threat of Tsunamis BOB DOUGHTY: This is SCIENCE IN THE NEWS in VOA Special English. Im Bob Doughty. FAITH LAPIDUS: And Im Faith Lapidus. This week, we tell about tsunamis -- the deadly sea waves often caused by

发表于:2019-01-12 / 阅读(72) / 评论(0) 分类 2011年VOA慢速英语(六)月

This was a very shallow earthquake, which means it would tend to be more destructive. Stuart Sipkin, USGS Tuesday's earthquake hit Haiti hard, with extensive damage and many casualties. Compared to the well-known seismic areas like the Pacific Rim, t

发表于:2019-01-13 / 阅读(92) / 评论(0) 分类 VOA标准英语2010年(一月)

(SOUNDBITE OF WHALE CALL) ARI SHAPIRO, HOST: Many animals that live in the ocean communicate with sound, like this humpback whale. (SOUNDBITE OF WHALE CALL) SHAPIRO: But these voices could soon be drowned out by powerful sonic booms set off in the oc

发表于:2019-01-16 / 阅读(85) / 评论(0) 分类 2018年NPR美国国家公共电台2月

MICHEL MARTIN, HOST: Let's talk midterm elections now. The enthusiasm of Democrats is a major force shaping this year's crop of candidates. Among the results of a newly energized Democratic Party, far more women are running and expected to run in thi

发表于:2019-01-16 / 阅读(141) / 评论(0) 分类 2018年NPR美国国家公共电台3月

WASHINGTON, Feb. 19 (Xinhua) -- NBA's Philadelphia 76ers announced Tuesday that their guard Jason Richardson has undergone successful knee surgery. The 12-year NBA veteran, who has not played for a month and will be sidelined for the rest of the seas

发表于:2019-02-04 / 阅读(104) / 评论(0) 分类 英语新闻

And the direction the crystals are pointing makes a difference to the speed seismic waves travel through the rock: a wave traveling parallel to the crystalsin other words, along the length of the toothpickmoves faster than a wave traveling in the oth

发表于:2019-02-15 / 阅读(65) / 评论(0) 分类 英语时差8,16

CLEVELAND, Jan. 9 (Xinhua) -- Cleveland Cavaliers' Brazilian center Anderson Varejao will be sidelined in the next two months after it was revealed he needs surgery on his right knee. Varejao suffered the injury during the Cavaliers' 113-99 defeat to

发表于:2019-02-18 / 阅读(112) / 评论(0) 分类 英语新闻

Chinese scientists have announced a gravitational wave research plan they're dubbing Taiji. The Chinese Academy of Sciences says their research plans will be finalized later this year. Academy member Wu Yueliang says their research will focus on low

发表于:2019-02-21 / 阅读(101) / 评论(0) 分类 2016CRI中国国际广播电台

Sunrise... sunset One day I just can't forget. I follow you... you follow me We left footprints on the beach... You're so wrong... you're so right I can see us bathing in the moonlight Can you... can you... see... see it... see it too? (This is what

发表于:2019-03-04 / 阅读(198) / 评论(0) 分类 节奏布鲁斯
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