单词：natural soil
单词：natural soil 相关文章
Agriculture Report - Getting a Firm Grip on Weed Control 农业报道 - 控制杂草生长的办法 This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 When is a plant considered a weed? Experts at Pen
2013年VOA慢速英语(一)月
六级作文在备考过程中既要多记忆一些词汇，又要多找话题，多练习自己构思作文的能力，下面就跟小编一起学习六级词汇，提升自己的作文水平吧！ 一、自然、生态、环境 1．好词 （1）En
四六级写作指导
This is the VOA Special English Agriculture Report. When is a plant considered a weed? Experts at Penn State University have a simple answer: When the undesirable qualities outweigh the good qualities. Consider that crops generally produce several hu
2010年VOA慢速英语(八)月
Getting a Firm Grip on Weed Control This is the VOA Special English Agriculture Report. When is a plant considered a weed? Experts at Penn State University have a simple answer: When the undesirable qualities outweigh the good qualities. Consider the
2013年VOA慢速英语(五)月
托福考试话题词汇汇总 whitepollute白色污染 sustainabledevelopment可持续发展 ecosystem生态系统 environmentalpollution环境污染 over-fishing(overgrazing)过度捕捞(过度放牧) sandstorm沙尘暴 resourceexhaustion资源枯竭
托福英语
Dr. Wangari Muta Maathai was born in 1940 in a village in Kenya. In 2004, she became the first African woman to receive the Nobel Peace Prize. The judges valued her contribution to sustainable development, democracy and peace. She was also a member o
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