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    1. irrigate

      英 ['?r?ge?t] 美['?r?get]
      • vt. 灌溉;沖洗;使清新
      • vi. 灌溉;沖洗

      考試真題


      The biggest challenge here is irrigation, which consumes 70% of the world's fresh water.

      出自-2016年6月閱讀原文

      Millions of irrigation wells in many countries are now pumping water out of underground sources faster than rainfall can refill them.

      出自-2016年6月閱讀原文

      Millions of irrigation wells have significantly lowered water tables in almost every state.

      出自-2016年6月閱讀原文

      As water tables have fallen and irrigation wells have gone dry, China's wheat crop, the world's largest, has declined by 8% since it peaked at 123 million tons in 1997.

      出自-2016年6月閱讀原文

      When this water is used for agricultural irrigation, farmers risk absorbing disease-causing bacteria, as do consumers who eat the produce raw and unwashed.

      出自-2016年6月閱讀原文

      Most of these operations draw irrigation water from local rivers or lakes.

      出自-2016年6月閱讀原文

      Irrigation is the primary agricultural use of human waste in the developing world.

      出自-2016年6月閱讀原文

      In poor, dry regions, untreated wastewater is the only viable irrigation source to keep farmers in business.

      出自-2016年6月閱讀原文

      Facing water shortages and escalating fertilizer costs, farmers in developing countries are using raw sewage ( ' , 下 水道污水) to irrigate and fertilize nearly 49 million acres of cropland, according to a new report—and it may not be a bad thing.

      出自-2016年6月閱讀原文

      Better irrigation can dramatically improve crop yield and about 40% of the world's food supply is currently derived from irrigated land.

      出自-2013年12月閱讀原文

      Facing water shortages and escalating fertilizer costs, farmers in developing countries are using raw sewage to irrigate and fertilize nearly 49 million acres of cropland, according to a new report—and it may not be a bad thing.

      2016年6月六級(jí)真題(第二套)閱讀 Section C