speed up [spid ʌp]

例句:

• He increased his speed, scrambling up the slope.
  来自G. Lord
• Increasing gravity is known to speed up the multiplication of cells.
  我们知道不断增加的引力会加速细胞的分裂。
  
• Action had been taken to speed up the release of cheques.
  已经采取行动加速支票的发放。
  
• Catalysts are materials which greatly speed up chemical reactions.
  催化剂是可以大大加速化学反应的物质。
  
• Suddenly we speed up and turn back on ourselves.
  来自THETIMES
• They would like to speed up the development of drugs.
  来自SA