momentum

英 [məˈmentəm]

美 [moʊˈmentəm]

n.  推进力; 动力; 势头; 冲力; 动量

CET6考研IELTSGRETEM8化学

Collins.2 / BNC.5641 / COCA.4335

牛津词典

noun

• 推进力；动力；势头
  the ability to keep increasing or developing
  1. The fight for his release gathers momentum each day.
     争取使他获释的斗争声势日益加强。
  2. They began to lose momentum in the second half of the game.
     在比赛的下半场，他们的势头就逐渐减弱。
• 冲力
  a force that is gained by movement
  1. The vehicle gained momentum as the road dipped.
     那辆车顺着坡越跑冲力越大。
• 动量
  the quantity of movement of a moving object, measured as its mass multiplied by its speed

柯林斯词典

• N-UNCOUNT 势头;冲劲;动力
  If a process or movement gainsmomentum, it keeps developing or happening more quickly and keeps becoming less likely to stop.
  1. This campaign is really gaining momentum...
     该运动的势头越来越猛。
  2. They are each anxious to maintain the momentum of the search for a solution.
     他们每个人都迫切希望能一直劲头十足地去寻求解决方案。
• (物理学中的)动量，冲量
  In physics,momentumis the mass of a moving object multiplied by its speed in a particular direction.

英英释义

noun

• the product of a body's mass and its velocity
  1. the momentum of the particles was deduced from meteoritic velocities
• an impelling force or strength
  1. the car's momentum carried it off the road
  Synonym:impulse

双语例句

• We cannot let this momentum wane.
  我们不能让这种势头减弱。
• The fight for his release gathers momentum each day.
  争取使他获释的斗争声势日益加强。
• You should also be familiar with momentum and kinetic energy for elastic and inelastic collisions.
  你应该熟悉弹性和非弹性碰撞下的动量和动能变化。
• Demands for his dismissal have gathered momentum in recent weeks
  最近几周，要求将他解职的呼声越来越高。
• The spinning top was losing momentum.
  旋转的陀螺正在失去动量。
• Constraints can give you speed and momentum.
  约束能给你速度和动力。
• We've got to win the game, otherwise we'll lose our momentum.
  这场比赛咱们一定得赢，不能挫了锐气。
• You give it spin angular momentum, it becomes stable.
  有了一个旋转的角动量，就变得稳定。
• This campaign is really gaining momentum
  该运动的势头越来越猛。
• Angular momentum is in this direction.
  角动量是这个方向了。