单词：quasi-algebra
单词：quasi-algebra 相关文章
EXPLORATIONS - Bat Populations Are Important for Agriculture and the Environment BARBARA KLEIN: Im Barbara Klein. MARIO RITTER: And Im Mario Ritter with EXPLORATIONS in VOA Special English. Today, we learn about the environmental and agricultural imp
2011年VOA慢速英语(九)月
57.Update your speed dial numbers. 升级你的速拨号码。 You can easily gain efficiency by making sure that the numbers you call most often are at your fingertips. 让你最常拨的好就在你的指尖，这样你可以提高效率。 Take th
2013年ESL之商务英语
The cost of rice has risen up to 50 percent on world markets, raising concerns among aid agencies in Asia. The agencies say they are facing shortfalls in efforts to feed the hungry in the region. 世界市场上大米价格暴涨引起亚洲救援机构
VOA双语新闻 2008年3月
Fade - This is a reduction in the received signal. It is caused by absorption, refraction, or reflection. Fax - This is a shortening of Facsimile, and it refers to one fax machine sending a digital re
电信英语
This is the VOA Special English Development Report. Female farmers in Rwanda and Sudan will learn about what kind of seeds to use, how to farm without chemicals and when to harvest The Food and Agriculture Organization estimates that poor countries
VOA慢速英语2008年（八）月
AS IT IS 2013-08-05 How to Feed the Peoples of India and Africa? Hello, and welcome to As It Is, our daily show for people learning American English. Im Christopher Cruise in Washington. Today on the program, we look at whether African leaders have k
2013年VOA慢速英语(八)月