1.  speed cut
2.  slow down
3.  decelerate
4.  retard
5.  reduce the speed

• 1. 减速: slow down | deceleration | slowing down
• 2. 减速器: speed reducer | reducer | gear reducer | decelerator
• 3. 减速度: deceleration | retardation | retarded velocity | drag acceleration

更多释义

• 1.刹车板踩得越紧，汽车减速越快。
  The harder the brake pedal is pressed, the greater the car's deceleration.
  dict.yoduao.com
• 2.有一个让汽车司机减速的指示牌。
  There was a sign telling motorists to slow down.
  dict.yoduao.com
• 3.在经济增长方面一直存在急剧的减速。
  There has been a sharp slowdown in economic growth.
  dict.yoduao.com

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