单词：economic groundwater yield
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说一口流利的英语，从简单的单词开始。 听听，读读，背背，今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 even It's even colder than yesterday.
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Water contamination has caught increasing attention among the Chinese public. Some have gone so far as to challenge local environmental officials to swim in a polluted river. Ma Jun has been an active environmentalist for more than 10 years. About ha
英闻天下
SCIENCE IN THE NEWS - Chiles Coastal Recovery; Africas Groundwater BARBARA KLEIN: This is SCIENCE IN THE NEWS, in VOA Special English. Im Barbara Klein. BOB DOUGHTY: And Im Bob Doughty. Today, we tell about some unexpected effects of a natural disast
2012年VOA慢速英语(五)月
Over-use of groundwater may cause landslides. However, in costal areas it also brings seawater intrusion. Let's take a look at the problem with our reporter Zhang Wan. In a village in the costal area of Dalian, Liaoning Province, many villagers compl
英闻天下
Water contamination has caught increasing attention among the Chinese public. Some have gone so far as to challenge local environmental officials to swim in a polluted river. Ma Jun has been an active environmentalist for more than 10 years. About ha
英闻天下
Hello and Welcome to News and Reports on China Radio International. In This Edition The 6th East Asia Summit (EAS) concludes with the adoption of two key declarations, dedicated to deepen regional ties and cooperation. The re-entry capsule from the r
2011CRI中国国际广播电台