VOA慢速英语:Jimmy Carter Earns Praise for Activism After the White House

例句：an exceptionally severe frost
      特别严重的霜冻

      an exceptionally violent storm
      一场异常猛烈的暴风雨

2.juvenile adj.少年的,未成年的

例句：He is an expert in juvenile delinquency.
      他是研究青少年犯罪的专家。

3.embarrassed adj.局促不安的；为难的；窘迫的，尴尬的，害羞的

例句：an embarrassed silence
      难堪的沉默

      A parrot can sometimes make you embarrassed.
      鹦鹉有时候会让人很尴尬。

4.purpose n.目的; 意图

例句：He returned to his homeland with the purpose of serving his own people.
      他返回祖国, 意在为祖国人民服务。

5.unending adj.无止境的;不停的;不断重复的

例句：the unending debate
      无休止的讨论

      I’m sick of your unending grumbles.
      我对你的不断埋怨感到厌烦。