VOA慢速英语:Millions in Pakistan Struggle Against Record Floods

例句：We cancelled our appointment.
      我们取消了约会。

      He cancelled his order for the goods.
      他取消了货物订单。

2.approve vt.批准, 通过
 
例句：The minister approved the building plan.
      部长批准了该建筑计划。

3.separately adv.分离地;个别地,分别地, 单独地

例句：He sold his birds separately to separate buyers.
      他把他的鸟儿分别卖给不同的买主。

      He bought the parts separately and assembled his own computer.
      他一一买来部件,组装成自己的电脑。

4.blacken vt.vi.(使)变黑, 把…弄黑

例句：His face was blackened with coal.
      他的脸被煤弄黑了。

      The sky blackened and soon it began to rain.
      天空乌云密布, 很快便下起雨来。

5.trap v.困住, 使陷入绝境

例句：Thirty miners were trapped underground after the fire.
      起火后有三十名矿工被困在地底下。

6.unusual adj.罕有的, 异乎寻常的

例句：It was an unusual day for summer, damp and chilly.
      这是夏季少有的一天, 又湿又凉。

      The boy's unusual behaviour puzzled the doctor.
      这男孩的异常行为使医生困惑不解。