变化

• The change took place only a few hours ago .
  变化在几小时以前刚刚发生。
• A great change has taken place in the situation ..
  形势有了很大的变化。
• Prices seesaw is according to demand .
  物价随需求变化而反复涨跌。
• Its tone has changed from decade to decade .
  它的风气每隔十年就有变化。
• We are aware that the market has changed .
  我们知道市场已有变化。
• Tremendous changes have taken place here .
  这里发生了巨大的变化。
• The control system permits more flexibility .
  控制系统允许有较大的变化。
• Grade cutoff is sharp within inches .
  数英寸内的品位变化很急剧。
• It was a period of substantial change .
  这是一个本质变化的时期。
• The beewax were changed by adding softeners .
  石蜡靠加上软化剂发生变化。