科罗拉多运河

VOA慢速英语 2007 0228b

VOICE ONE: This is Bob Doughty. VOICE TWO: And this is Steve Ember with EXPLORATIONS in VOA Special English. Today we tell about Hoover Dam. (MUSIC) VOICE ONE: Our report today about Hoover Dam must begin with the Colorado River. This river made the

发表于:2018-12-07 / 阅读(89) / 评论(0)

VOA慢速英语2007年（二）月

VOA慢速英语 2007 0328b

VOICEONE: I'm Steve Ember. VOICE TWO: And I'm Barbara Klein with Explorations in VOA Special English. A tribe member looks at the new Grand Canyon West Skywalk built by the Hualapai Indians. Critics say it harms the natural beauty of the canyon. Tod

发表于:2018-12-07 / 阅读(89) / 评论(0)

VOA慢速英语2007年（三）月

VOA慢速英语2010年-EXPLORATIONS - Hoover Dam: Taming the

STEVE EMBER: Im Steve Ember. SHIRLEY GRIFFITH: And Im Shirley Griffith with EXPLORATIONS in VOA Special English. Today we tell about Hoover Dam. It was the largest and most difficult structure of its kind ever built when work started in nineteen thir

发表于:2018-12-07 / 阅读(127) / 评论(0)

2010年VOA慢速英语(十)月

VOA慢速英语2012 EXPLORATIONS - Hoover Dam: Taming the Colorado River and Powering Millions

EXPLORATIONS - Hoover Dam: Taming the Colorado River and Powering Millions BOB DOUGHTY: This is Bob Doughty. STEVE EMBER: And this is Steve Ember with EXPLORATIONS in VOA Special English. Today we tell about Hoover Dam. (MUSIC) BOB DOUGHTY: Our repor

发表于:2018-12-16 / 阅读(82) / 评论(0)

2012年VOA慢速英语(三)月

美国国家公共电台 NPR High Demand, Low Supply: Colorado River Water Crisis Hits Across The West

ARI SHAPIRO, HOST: For decades, the Colorado River has fed growing cities from Denver to Los Angeles, and a lot of the produce in grocery stores across the country right now was grown with Colorado River water. Now with climate change and severe drou

发表于:2018-12-17 / 阅读(113) / 评论(0)

2017年NPR美国国家公共电台1月

John Wesley Powell

Broadcast: October 19, 2003 (MUSIC) VOICE ONE: I'm Shirley Griffith. VOICE TWO: And I'm Ray Freeman with the VOA Special English program People in America. Every week at this time we tell the story of

发表于:2018-12-18 / 阅读(151) / 评论(0)

VOA2003（下）-美国人文故事

美国学生世界地理教材第49期:仙境(1)

Chapter 14 Wonderland 第14章仙境 ALICE IN WONDERLAND is a fairy-tale, but there is a real Wonderland out in the West. One of the wonders is a river. 爱丽丝漫游仙境是一个童话故事，但是远在西部真有一个充满奇迹的仙境。

发表于:2018-12-29 / 阅读(151) / 评论(0)

美国学生世界地理教材

pbs高端访谈:大峡谷的历史还要往前追溯六千万年?

MARGARET WARNER:Finally tonight: Just how old is the Grand Canyon? The conventional wisdom holds that this natural wonder of the world was shaped by the Colorado River about five or six million years ago. But there's been a long-running debate over w

发表于:2018-12-31 / 阅读(95) / 评论(0)

PBS访谈环境系列

科学家们帮助昆虫的同时也是帮助科罗拉多河鱼

Scientists Help Insects to Help Colorado River Fish Fish need insects for food. So, healthy rivers have healthy insect populations. However, in the United States, part of the Colorado River has an insect shortage that has left many fish without food.

发表于:2019-01-03 / 阅读(126) / 评论(0)

2018年VOA慢速英语(五)月

VOA慢速英语2018--July 9, 2003: Grand Canyon

(THEME) VOICE ONE: This is Steve Ember. VOICE TWO: And this is Shirley Griffith with the VOA Special English program EXPLORATIONS. Today, we tell about a famous natural place, the Grand Canyon. (THEME) VOICE ONE: In late September, Fifteen-Forty, a g

发表于:2019-01-03 / 阅读(139) / 评论(0)

2018年VOA慢速英语(九)月

EXPLORATIONS - One of the World’s Natural Wonders: the Gran

EXPLORATIONS - One of the World’s Natural Wonders: the Grand Canyon By Oliver Chanler Broadcast: Wednesday, June 15, 2005 (MUSIC) VOICE ONE: This is Steve Ember. VOICE TWO: And this is Shirley Griff

发表于:2019-01-06 / 阅读(156) / 评论(0)

Explorations

VOA慢速英语2009年-EXPLORATIONS - The Grand Canyon: A True Wo

VOICE ONE: I'm Steve Ember. VOICE TWO: And I'm Barbara Klein with EXPLORATIONS in VOA Special English. Today, we take you to one of the most popular and beautiful places in the United States. It is the Grand Canyon in the southwestern state of Arizo

发表于:2019-01-11 / 阅读(144) / 评论(0)

VOA慢速英语2009年（十）月

VOA慢速英语2009年-EXPLORATIONS - Hoover Dam, Finished in 193

VOICE ONE: This is Bob Doughty. VOICE TWO: And this is Steve Ember with EXPLORATIONS in VOA Special English. Today we tell about Hoover Dam. It was the largest and most difficult structure of its kind ever built when work started in nineteen thirty-

发表于:2019-01-11 / 阅读(163) / 评论(0)

VOA慢速英语2009年（八）月

VOA慢速英语2012 People in America - John Wesley Powell, 1834-1902: Famous Explorer of the American West

People in America - John Wesley Powell, 1834-1902: Famous Explorer of the American West SHIRLEY GRIFFITH: I'm Shirley Griffith. RAY FREEMAN: And I'm Ray Freeman with the VOA Special English program People in America. Every week at this time we tell t

发表于:2019-01-12 / 阅读(130) / 评论(0)

2012年VOA慢速英语(三)月

美国国家公共电台 NPR When In Drought: States Take On Urgent Negotiations To Avoid Colorado River Crisis

LULU GARCIA-NAVARRO, HOST: About 10 years ago, there was another record-breaking drought in the western United States. And the seven states that get water from the Colorado River came up with a plan on how they'd deal with water shortages. Many hoped

发表于:2019-01-17 / 阅读(111) / 评论(0)

2018年NPR美国国家公共电台10月

Grand Canyon

By Oliver Chanler Broadcast: July 9, 2003 (THEME) VOICE ONE: This is Steve Ember. VOICE TWO: And this is Shirley Griffith with the VOA Special English program EXPLORATIONS. Today, we tell about a famo

发表于:2019-01-17 / 阅读(243) / 评论(0)

VOA2003（下）-美国人文故事

科学美国人60秒 SSS 2016-8-09

So what does rafting down the Grand Canyon have to do with science education? 那么大峡谷漂流而下与科学教育有什么关系呢？ Ann Reid, former research biologist and current executive director of the National Center for Science Educat

发表于:2019-01-20 / 阅读(201) / 评论(0)

2016年Scientific American(八)月

洪恩环境英语第七册练习 lesson 12

Lesson Twelve. Remember what Maria said about some of her earlier vacations. Have you ever visited Colorado? Yes.I've kayaked on the Colorado River, and I've camped in the Rocky Mountains many times. The Rocky Mountains are wonderful. And I've driven

发表于:2019-01-20 / 阅读(136) / 评论(0)

洪恩环境英语

美语听力 English Café 423

Words: serial killer to profile someone psychiatrist criminally insane traumatic engineering survey canal aqueduct lock marvel recession depression if you will all-in-one tax adviser/or

发表于:2019-01-22 / 阅读(111) / 评论(0)

美语听力 English Cafe

EXPLORATIONS - Hoover Dam

EXPLORATIONS - Hoover Dam By Paul Thompson Broadcast: Wednesday, July 28, 2004 (MUSIC) VOICE ONE: This is Bob Doughty. VOICE TWO: Hoover Dam. And this is Steve Ember with EXPLORATIONS in VOA Special E

发表于:2019-01-30 / 阅读(177) / 评论(0)

Explorations

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Acer tonkinense

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Actinobacillus mallei

adjustable pitch-propeller

articulationes intercarpea