momentum

英 [məˈmentəm]

美 [moʊˈmentəm]

n. 推进力; 动力; 势头; 冲力; 动量

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

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.

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

This campaign is really gaining momentum
该运动的势头越来越猛。
As the dog sprang on me, I made use of its momentum to press it down and hold it there.
狗扑过来，我就势把它摁住不放。
You give it spin angular momentum, it becomes stable.
有了一个旋转的角动量，就变得稳定。
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。
The historical tide is surging forward with great momentum.
历史洪流气势磅礴，奔腾向前。
But the momentum of the recovery pushed all problems aside.
但经济复苏的势头将一切问题都推到了一旁。
Now, the kinetic energy and the momentum depend on your reference frame.
那么动能和动量，取决于你的参考系。
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。
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。
The fight for his release gathers momentum each day.
争取使他获释的斗争声势日益加强。