单词：aluminum soap-carbon black thickened grease
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By Gary Garriott Broadcast: November 3, 2003 This is Steve Ember with the VOA Special English Development Report. People have been recycling metals for hundreds of years. Today, re-using metal waste o
VOA2003（下）-发展与科学
Lesson 4 Black-lead 第四课 黑铅 What is the black-lead in your pencil made of? If you take a bit of the metal which we call lead, you will find that it is grey in colour, very heavy, and not at all like the black-lead in your pencil. But the lea
英国学生科学读本
This is Scientific American's 60-Second Science. I'm Amy Kraft. Got a minute? Out of control drivers aren't the only thing city cyclists have to worry about. New research suggests that cyclists are at increased risk of lung damage because of soot. A
Scientific American(九)月
导购口语: I'd like to see the Apple computers. Do you have? 我想看看那苹果公司生产的电脑，有吗？ My office needs two copy machines. 我办公室需要2台复印机。 Here's a list of the items I want for my office: two boxes of
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He wanted to wash his hands. His hands were dirty. They were dirty from the newspaper. All newspapers have black ink. The black ink got on his hands. When he rubbed his nose, he put black ink on his nose. His wife looked at him. She laughed. Why are
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DEVELOPMENT REPORT - Recycling Scrap Metal Into MoneyBy Gary Garriott Broadcast: Monday, July 31, 2006 This is the VOA Special English Development Report. People have been recycling metals for hundred
2006年慢速英语（七）月
He wanted to wash his hands. His hands were dirty. They were dirty from the newspaper. All newspapers have black ink. The black ink got on his hands. When he rubbed his nose, he put black ink on his nose. His wife looked at him. She laughed. Why are
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Song：A Perfect Match Artist：A Teens You spend your money on diamonds and pearls I'd sell my car just to travel the world I look broke baby - You got flash But even so we're a perfect match. You're into fashion, dinners, and art I know the South P
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This is the VOA Special English Development Report. One of the best ways to protect yourself and other people from getting sick is to wash your hands with soap. To make soap, you need three main things: oil, water and lye. The oil can come from anim
VOA慢速英语2008年（十二）月
Scientists Create Blackest Material Ever Of all the black things in the universe only the infamous black holes are so black that not even a tiny amount of light can bounce back. But scientists have managed to create material almost as black, and it h
VOA标准英语2014年(七月)
DEVELOPMENT REPORT - Reusing Metal Waste Provides Work For Many in Developing Countries By Gary Garriott Broadcast: Monday, April 04, 2005 I'm Gwen Outen with the VOA Special English Development Repor
农业与发展
Soaring Price of Used Grease Attracts Thieves The high price of food and fuel has made a valuable commodity out of an unexpected resource: the price of used vegetable oil from restaurant fryers is so high that people are stealing it. Just ask grease
VOA标准英语2011年(十月)
Lesson 37 All About A Penny 第37课 关于便士 When I was a little boy, pennies, and halfpennies, and farthings were made of pure copper. But copper is too soft a metal to stand the rubbing which coins get. So these old pennies soon became so smoo
英国学生科学读本
A Teens - A Perfect Match You spend your money on diamonds and pearls I'd sell my car just to travel the world I look broke baby - You got flash But even so we're a perfect match. You're into fashion, dinners, and art I know the South Park Series by
好听的英文歌曲
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
英语新闻
An estimated 957,000 American shoppers ordered Apple Watches on Friday - a sign the tech giant's newest gadget is already seeing more initial success than its first iPhone or the iPod. 据估计，4月10日，美国共有95.7万用户预订了苹果公
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BEIJING, Sept. 21 (Xinhua) -- An innovative stage in the production of the latest iPhone models might help all its suppliers, especially those in China, to cut carbon emissions and improve efficiency, according to an Apple executive on Monday. The bi
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本期内容： Couldchipfathelpdirtyshippingcleanupitsact? Theglobalshippingindustryisasbigacontributortogreenhousegasemissionsasaviation, andtheheavyfueloilthatpowersitsgiantvesselsisexceptionallydirty-packedwithsoot, blackcarbonandsulphur.InSeptem
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BEIJING, Sep. 16 (Xinhuanet) -- Government incentives are important to pave a low-carbon road to economic growth, but companies that improve their industry models and technologies are the main players and also benefit receivers, noted officials and i
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