acceleration [ækˌsɛləˈreʃən]

例句:

• Acceleration is accompanied by a resonating growl from the gearbox.
  变速箱随着加速传来一阵轰鸣。
  
• The engine delivers instant acceleration whatever the revs.
  不论转速如何，发动机都可以立即加速。
  
• an acceleration in the rate of economic growth
  经济增长加速
  
• Some have detected an acceleration and he has not.
  来自SA
• Do not confuse this acceleration, with dark matter.
  来自SA
• It uses two techniques to understand the acceleration.
  来自BBC