单词：structure of soil ecosystem
单词：structure of soil ecosystem 相关文章
This is the VOA Special English Agriculture Report. Farmers and gardeners have turned the soil for centuries. But many now believe in no-till or reduced tillage, a method also called conservation tillage. The Conservation Technology Information Cente
2010年VOA慢速英语(九)月
1. coral,珊瑚。 eg:The women have elaborate necklaces of turquoise and pink coral. 女士们拥有绿宝石和粉色珊瑚制成的精美项链。 2. reef,礁，暗礁。 coral reef,珊瑚礁。 Great Barrier Reef,(澳大利亚)大堡礁。 eg:Bey
蒋健棠教你听英语广播
Pioneering Soil Researcher Wins Top Environment Prize Biologist Diana Wall went to the ends of the earth - the seemingly lifeless Antarctic desert - to study the life in soil. What soil life does for us, it provides us with many benefits that we don'
VOA标准英语2013年(四月)
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
Even today,black-necked cranes are treated with reverence and are welcomed by farmers as they land in the fields around the villages.Here, they perform their elaborate sky pointing rituals.After the dignified business of parading,they begin to forage
自然百科2010年