reaction

• An exothermic reaction releases heat(energy) .
  放热反应释放出热量（能）。
• The overall reaction is one of substitutions .
  总反应是取代反应中的一种。
• Catalysis has increased the rate of reaction .
  催化作用提高了反应的速度。
• The above reaction is called second-order reaction .
  上述反应称为二级反应。
• Metabolism is a complexity of chemical reaction .
  代谢是各种化学反应的综合。
• The gas escapes from the sphere of the reaction .
  气体产物从反应体系中逸出。
• His only reaction was a pregnant silence .
  他唯一的反应是一阵意味深长的沉默。
• He looked at me, trying to gauge my reaction .
  他看着我，想判断一下我的反应。
• The chain reaction is self-sustaining .
  连锁反应是自持的。
• Trina suffered a reaction after the quarrel .
  吵了这场架以后，屈丽娜觉得很苦恼。