单词：auxiliary emission control device
单词：auxiliary emission control device 相关文章
From VOA Learning English, this is the Health Lifestyle report. From Asia to Europe to North America, poor air quality is making people sick and, in some cases, killing them at an early age. Air pollution causes six million premature deaths every yea
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Everyday Grammar: The 'Should' vs. 'Shall' Debate For VOA Learning English, this is Everyday Grammar. Last week in Paris, leaders from 195 countries reached a major global climate agreement. In the final hours of meetings, one little word made the di
2015年VOA慢速英语(十二)月
Scientists Develop Motor-free Device That Eases Walking Strain 科学家发明无动力助行走设备 Devices that help people walk were once thought to be impossible to design without some kind of auxiliary power. But U.S. scientists at Carnegie Me
VOA标准英语2015年(四月)
By Melinda Smith Washington, DC 20 July 2006 watch Implanon report The U.S. Food and Drug Administration has approved a new birth control device for American women. The device is called Implanon. It already is being used by two and a half million wo
2006年VOA标准英语（七月）
Beijing and other parts of northern China have been battered by smog starting from the beginning of this year. The capital was blanketed by smog for 26 days in January, while eastern China's Jiangsu Province saw 13 days of heavy pollution in February
英闻天下
China is now on the front lines of efforts to develop energy sources that can balance the goals of sustaining economic growth and protecting the environment. Decisive action is needed to strengthen policy frameworks across the country to reach that g
cctv9英语新闻2015年