单词：cycloid tooth
单词：cycloid tooth 相关文章
This is the VOA Special English Agriculture Report. Recycling programs usually give new life to materials like paper, metal, plastic and glass. But a program in the eastern United States is recycling shellfish to help the Chesapeake Bay. Oysters are
2010年VOA慢速英语(十一)月
By Mil Arcega Washington, DC 23 May 2006 watch Ewaste report Recycled computer keyboards The business of disposing electronic waste - or e-waste - is growing as computer usage increases around the wor
2006年VOA标准英语（五月）
The International Organization for Migration says dozens of health workers are providing primary health care and other essential medical assistance to thousands of victims of Cyclone Nargis, which struck Burma in early May. Lisa Schlein reports for
VOA标准英语2008年（七月）
By Al Pessin Pentagon 27 November 2007 The U.S. military is providing hundreds of tons of relief supplies to victims of the cyclone in Bangladesh, much of it using a warship and helicopters sent to the region last week from duty in the Middle East. V
VOA常速英语2007年（十一月）
In the United States, the fastest growing type of trash is e-waste: computers, TVs and other electronics. Because many e-waste components are toxic, many communities are striving to recycle them more responsibly. From Boulder, Colorado, Shelley Schl
VOA标准英语2008年(十二月)
By David Gollust State Department 07 May 2008 The senior U.S. diplomat in Burma said Wednesday the death toll from the cyclone that hit the southeast Asian country late last week could exceed 100,000. Secretary of State Condoleezza Rice meawnhile say
VOA标准英语2008年（五月）