VOA慢速英语:US Farm Exports Predicted to Set Record in 2011

例句：A product manager is responsible for product profitability.
      产品经理对产品的盈利状况负责。

2.top v.超过；胜过； 高过；升到…之上；高于

例句：He tops the rest in scholarship.
       他的学识超过其他人。

3.purchase n.购买, 购置

例句：They made the purchase of a car.
       他们购置了一辆小汽车。

买到的东西

例句：That hat was a good purchase.
      那顶帽子买得好。

4.drought n.干旱(时期)；久旱；旱灾

例句：The crops failed because of the drought.
      干旱造成农作物歉收。

      A severe drought hit southwest China, leaving more than 16 million people and 11 million livestock with drinking water  shortages.
       一场严重的旱灾侵袭了中国西南部，造成超过1600万人及1100万牲畜饮水困难。

5.ease vi.缓和, 改善, 放松

例句：They did this to ease their economic crisis.
      他们这样做是为了缓和经济危机。

6.decline vi.下降,衰落,偏斜

例句：Her popularity declined after 1990's and be retired.
      20世纪90年代之后她的名望下降并退休了。

7.subsidy n.补贴, 津贴, 补助金

例句：Food subsidies are necessary for keeping down the price of dairy products and bread.
      食品补贴对控制乳制品和面包的价格是必要的。