单词：underirrigating
单词：underirrigating 相关文章
Irrigation Brings Malaria Along with Water 灌溉的水带来疟疾 From VOA Learning English, this is the Agriculture Report. 这里是美国之音慢速英语农业报道。 Irrigation systems can make a big difference in agricultural production. I
2013年VOA慢速英语(八)月
以色列科学家荣获世界粮食奖 A pioneer who made arid lands bloom is the recipient of this year's prestigious World Food Prize. Daniel Hillel developed drip irrigation techniques that squeeze the most crop out of a drop of water, making far
VOA双语新闻 2012年10月
Task 2: Drought in South Africa Script South Africa is heading for a disaster in the new year because of a drought. The water level at some dams have dropped below 20% while the ground water table has dropped by as much s 30 meters Emergency measure
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坚持不懈，直到成功。 我们每天的奋斗就像对参天大树的一次砍击，头几刀可能了无痕迹。每一击看似微不足道，然而，累积起来，巨树终会倒下。这恰
四六级词汇与结构练习
This is the VOA Special English Agriculture Report. Scientists are working to develop crop plants that can reduce the amount of water used for agriculture. Almost sixty percent of the world's freshwater withdrawals from rivers, lakes and other water
VOA慢速英语2008年（十一）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
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