VOA慢速英语:Before 'Black Swan,' Ballet as a Dance of Power and Influence

2.reflect vt.表达; 反映
 
例句：Does this letter reflect how you really think?
      这封信反映你的真实想法吗?

反照；映出

例句：The smooth surface of the lake reflected the bright full moon.
      平静的湖面反映出明亮的圆月。

3.requirement n.要求, 要求条件, 必要条件

例句：Your requirement that she wait till next week is reasonable.
      你要求她等到下周是有道理的。

4.foundation n.建立, 设立, 创办，创建

例句：The foundation of the university took place 600 years ago.
      这所大学是600年前创办的。

基础, 基本原理, 根据

例句：The foundation of democracy is the will of the people to preserve liberty.
      民主的基础在于人民维护自由的意志。

5.evolve vt.vi.演变; 进化

例句：Language is constantly and gradually evolving.
      语言在不断地缓慢发展。

6.theatrical adj.戏剧的；剧场的

例句：The final scene was dismayingly lacking in theatrical effect.
      最后一场缺乏戏剧效果, 叫人失望。

7.costume n.（戏剧或电影的）戏装，服装

例句：The actor came on in full costume.
      那个男演员身穿全套戏装登场。

8.expansive adj.可扩大的, 可扩展的;广阔的;胸襟开阔的, 开朗的

例句：The father was in an expansive mood and gave presents to all of his children.
      他们的父亲心情很好, 给每个孩子都送了礼物。