单词：
单词： 相关文章
Over the past few years, the central government has been focusing its air pollution fight on major polluters, with numerous steel factories and heavy-polluting power generators either shut down or moved away from major centers, such as Beijing. Howev
2015CRI中国国际广播电台
By Cynthia Kirk ENVIRONMENT REPORT -March 22, 2002: Air Pollution/Lung Cancer This is the VOA Special English ENVIRONMENT REPORT. Researchers have completed a major study on the health effects of air
健康与环境
Syrian Forces Turn to Air Power as Insurgency Gains Nearly a quarter of a million Syrians have fled their homes in recent weeks, as government bombs and mortar shells have begun targeting heavily-populated areas. Last week, amateur video on a social
VOA标准英语2012年(九月)
Multinational firms, including PricewaterhouseCoopers, J.D. Power and WPP, have spent thousands of dollars installing air filtration systems and real-time monitoring devices. These are booming times for the clean air industry. Louie Cheng, Chief Exec
2015CRI中国国际广播电台
Matt and his wife lived in the country. Matt was very stingy and hated spending money. One day a fair came to the nearby town. Let's go to the fair, Matt, his wife said. We haven't been anywhere for a long time.Matt thought about this for a while. He
趣味英语
今天我们要讲的习惯用语都有air这个词。大家都知道air是空气。早在十七世纪，意大利科学家伽利略发现空气似乎没有实质却有重量。后来人们进一步发现高山顶上的空气要比海平面上的空气
美国习惯用语