VOA慢速英语:Guitar Heroes, Before Anyone Even Heard of a Video Game

例句：We should read ancient authors.
      我们应该读古代学者的著作。

      This book gives you a good idea of life in ancient Greece.
      这本书使你对古希腊生活有一清楚的概念。

2.permanent adj.永久(性)的, 固定的

例句：The coat gives permanent protection against heavy rain.
      这种防雨衣经久耐用。

3.severely adv.严厉地

例句：He told them off severely.
      他严厉地斥责了他们。

      He was severely criticized and removed from his post.
      他受到了严厉的批评并且被撤了职。

4.extremely adv.极端;极其;非常

例句：That is extremely interesting.
      那极为有趣。

      Outwardly she looked confident but in reality she felt extremely nervous.
      表面上她显得很自信,其实她非常紧张。