autorotation [ɔtoʊroʊ'teɪʃn]

例句:

• The helicopter does not have to be pirouetting when the Autorotation starts.
  在执行熄火降落的动作之前,机体不须保持自旋.
  
• Repeat the above, but start the Autorotation from the pilot left.
  重覆执行上述的步骤, 但由操控者的左侧开始执行熄火降落.
  
• During the Autorotation, roll the helicopter to upright.
  在降落的过程中, 将直升机侧滚成为正飞的姿态.
  
• Gravitational torque was believed to hold Mercury in autorotation around the sun like the moon around the earth.
  来自SA