VOA慢速英语2011--Nigeria Launches First African-Built Sat

Technology Report - Nigeria Launches First African-Built Satellite 科技报道 - 尼日利亚发射首颗非洲自行研制卫星 This is the VOA Special English Technology Report. 这里是美国之音慢速英语科技报道。 Nigeria has launche

流利美国口语10.2

W: Have you ever heard of human cloning? M: Yes, but human cloning is banned in America. W: I think its a good idea to create cloned babies for the infertile couples. M: Human cloning will lead to a series of ethical problems. Any way I strongly obje

美国科学60秒 SSS 2015-05-26

Foldable white canes help the visually impaired navigate their surroundings, but the guide stick's tactile (preceptible by touch or apparently so) nature offers only so much information. The cane's user must manually find and avoid obstructions, but

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In 1940, North American Aviation designed the legendary P-51 Mustang in response to the British need for a high-performance fighter aircraft. The Mustang featured the most advanced laminar flow wing and a ducted cooling radiator positioned under the

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Why Does Altitude Cause Headache? Mountain climbers face many dangers as they brave the cold winds and icy slopes and jagged cliffs of the peaks they climb. But one of the most serious dangers they face is all in their headsliterally. Why does altitu

Can Cameras and Machines Recognize Lying in Your Face?

One of the most popular tools on Apple's new iPhone X is its facial recognition system. This latest iPhone gives users the power to open the device just by looking at it. The smartphone has performed well in tests set up to trick it into opening for

Powerless Aircraft Sets Altitude Record

Two pilots recently set a new altitude world record for gliders. A glider is an aircraft that does not have an engine. They are pulled into the air by powered airplanes and then released. They are designed to ride warm, rising air to gain altitude. T

“智能农场”高科技追踪奶牛的行为

Smart Farm Technology Tracks Behavior of Cows Artificial intelligence (AI) has arrived on the farm. A Dutch company has developed technology to follow the movements and activities of cows. The high-tech system, powered by AI and motion sensors, is ca

VOA标准英语2011--Undersea Cable Could Revolutionize Ocean

UnderseaCableCouldRevolutionizeOceanography This past April, there was a big volcanic eruption in Americas Pacific Northwest. If you missed it, you're not alone. It happened under the ocean off the northern Oregon coast. Since then, several research

使用无人机追踪风暴 对抗极端天气

AS IT IS 2016-05-22 Storm-Chasing Drones Help Fight Extreme Weather 使用无人机追踪风暴 对抗极端天气 Some countries are using drone technology to prepare for major weather events and observe severe storms as they happen. One place where

VOA标准英语2011--U-2 Spy Plane Still Flying High

U-2 Spy Plane Still Flying High One of the oldest planes the United States Air Force still flies is used to carry out some of America's most sensitive and critical missions. Whether it's aiding NATO troops in Afghanistan, providing surveillance over

VOA标准英语2011--Experts Recommend Screening Newborns for

Experts Recommend Screening Newborns for Heart Defects One of the scariest things a new parent can hear is, your baby has a birth defect. But some of the most dangerous birth defects are are invisible ones, such as deformities in the baby's tiny hear

365个英语简短小故事-244. New Air-Conditioner

It had been another hot spring day. By ten oclock in the evening, it had only cooled down to 87 degrees, according to Larry's thermometer in the living room. He rarely looked at his thermometer because he usually didn't care what the exact temperatur

Low-altitude airspace to open up across China from 2013

SHENYANG, Aug. 23 (Xinhua) -- China will relax the ban on the use of low-altitude airspace across the country starting in 2013, the country's air traffic authorities said Thursday. A series of reforms will be implemented in five to ten years, creatin

VOA标准英语2011--US High School Students Shine in Prestigious Science Competition

US High School Students Shine in Prestigious Science Competition Twenty U.S. high school students were in Washington, D.C., this week squaring off in one of the nations premier science research contests. The prize: a half million dollars in college s

VOA标准英语2012--World-Class Runners Flock to Kenyan Town

World-Class Runners Flock to Kenyan Town Lornah Kiplagat is a Kenyan-born athlete who has won marathons throughout the world and holds several world records. She and her husband Pieter founded the High Altitude Training Center in Iten, Kenya, after r

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New Zealanders are shocked at the disastrous fires in Australia. We now know that more than 100 people have died. The hospitals are filled with people who have burns; some have minor burns to the soles of their feet while others have major burns and

CCTV9英语新闻：Traffic resumes in Xinjiang after 18 hour rescue

Sudden snowfall earlier this week blocked a national highway in Xinjiang Uygur Autonomous Region. The local traffic control department worked nearly 20 hours to clear the snow, and traffic in the area has now returned to normal. The snow started arou

英语听力文摘 English Digest 211、宇宙辐射

Cosmic Radiation 上世纪早期，科学家发现一种神秘的辐射形式会破坏他们的实验。后来奥地利物理学家Victor Hess研究发现辐射可能来自天空。后来他多次坐热气球用各种仪器（包括测量放射电荷的

美国文化脱口秀 第429期:10大超值海外游目的地!

年底啦，如果你在计划过年去哪儿玩或是明年的出国游，不如看看权威旅游刊物Lonely Planet推荐的2017年十大旅游目的国！这些地方，好玩儿、人少、又不贵！跟Jenny, Spencer一起体验吧！ 关键词：