VOA慢速英语:Fed Gets Ready to Pump $600 Billion More Into US Economy

例句：He said it was only a quantitative difference.
      他说这仅仅是数量上的差别。

2.critic n.批评家, 评论家；评论员

例句：That would put blood in the eye of his critics.
      那会使得批评他的人更加恼火。

3.overflow n.溢值,超值,泛滥

4.raise v.增加; 提升

例句：They raised their output by more than half in less than three years.
      不到三年, 他们把产量提高了一半还多。

      We must do everything we can to raise the people's living standards.
      我们要想一切办法来提高人民的生活水平。

5.pump vt.用抽机抽;用打气筒打;盘问,追问

例句：He was pump-ing away.
      他正用抽水机抽水。

      It is autumn and they are pumping water out of the swimming pool.
      入秋了, 他们正在抽游泳池的水。