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

The spinning top was losing momentum.
旋转的陀螺正在失去动量。
Why? Because it has angular momentum.
为什么，因为有了一个角动量。
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。
They picked up momentum, then slipped into neutral and coasted quietly down the slope.
他们加大油门，再切入空挡，随后没大响动地滑下山坡。
As my opponent threw himself at me, I used his momentum to fling him to the ground.
对手扑过来，我就势把他摔倒在地。
We cannot let this momentum wane.
我们不能让这种势头减弱。
Angular momentum can accompany nonrotational motion.
非旋转的运动可能伴随着有角动量。
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。
Spinning this direction, angular momentum is in this direction.
这个方向旋转，角动量是，这个方向。
That means if there's torque, there's a change of angular momentum.
这意味着，如果那有一个力矩，就会有角动量的改变。