单词:earth-rockfill cofferdam
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Space Rock Still a Mystery to Scientists Oumuamua is the first interstellar object scientists have found passing through our solar system. Interstellar means it came from another star system like our own. In November 2017, Oumuamua was seen moving be
VOICE ONE: I'm Barbara Klein. VOICE TWO: And I'm Steve Ember with EXPLORATIONS in VOA Special English. Today, we tell about some beautiful, interesting and unusual places in the world. We tell you why
SCIENCE IN THE NEWS - Plate Tectonics By Marilyn Christiano Broadcast: Tuesday, February 17, 2004 (THEME) VOICE ONE: This is Science in the News, in VOA Special English. I'm Sarah Long. Graphic Image
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
VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Steve Ember. VOICE TWO: A massive earthquake in China's Sichuan province earlier this year was the country's worst in more than 30 years. And I'm Barbara Klein. Scientists who study
Seeing is believing. But seeing a huge rock half the size of Earth smash into Jupiter in July 1996 was incredible. Can you imagine what would happen if Earth collided with a huge space rock? It would
EXPLORATIONS - Yellowstone Volcano By Paul Thompson Broadcast: Wednesday, August 11, 2004 (MUSIC) VOICE ONE: This is Faith Lapidus. VOICE TWO: And this is Doug Johnson with EXPLORATIONS in VOA Special
VOICE ONE: This is Faith Lapidus. VOICE TWO: An eruption of the Old Faithful geyser in Yellowstone National Park in 2006 And this is Doug Johnson with EXPLORATIONS in VOA Special English. Today we tell about Yellowstone National Park. It is one of t
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Barbara Klein. VOICE TWO: And I'm Bob Doughty. Scientists who study the Earth tell us that the continents and ocean floors are always moving. Sometimes, this movement is violent and
FAITH LAPIDUS: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Faith Lapidus. STEVE EMBER: And I'm Steve Ember. Scientists who study the Earth tell us that the continents and ocean floors are always moving. Sometimes, this movement is violen
Earth's Surfaces Are Always Moving 地球表面一直在运动 From VOA Learning English, this is Science in the News. Im Anna Matteo. And Im Christopher Cruise. Scientists who study the Earth tell us the continents and ocean floors are always moving
The Grand Canyon: A Sight Beyond Words EDITOR'S NOTE: This year, the U.S. National Park Service turns 100. Americans 28th President, Woodrow Wilson, formed the National Park Service in 1916 to protect the wild and wonderful landscapes in the United S
Unusual Mars Rock Surprises Rover Scientists Curiosity's engineers on Earth put the drilling and sampling tools on the rover's robotic arm to full use this week as they assessed the makeup of the pyramid-shaped rock. The sample is named Jake Matijevi
37 研究表明2500万年前流星曾碰撞过地球 DATE=4-18-01 TITLE=SCIENCE REPORT - Meteor Collision With Earth BYLINE=Jill Moss (Start at 59
SCIENCE IN THE NEWS - Plate Tectonics: Nature's Way of StretchingBy Nancy Steinbach Broadcast: Tuesday, April 18, 2006 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Barba
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Steve Ember. Scientists who study the Earth tell us that the continents and ocean floors are always moving. Sometimes, this movement is violent and mig
I can see the clouds roll in And I can feel the wind as they try to shake me I will not be moved My feet are on the Rock I can feel the waters rise And I can hear the howling lies that haunt me Fear won't hold me now My feet are on the Rock When I fe
BEIJING, Nov. 7 (Xinhuanet) -- A huge asteroid will pass closer to Earth than the moon on Tuesday, but experts say there is no cause for alarm. Asteroid 2005 YU 55 will pass about 300-thousand kilometers from the earth. The giant space rock is about
BEIJING, June 28 (Xinhuanet) -- A truck-sized asteroid passed over the Atlantic Ocean within 7,500 miles of the Earth on Monday, according to NASA's Jet Propulsion Laboratory. The space rock, called asteroid 2011 MD, is the second space rock to zip e