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

Why? Because it has angular momentum.
为什么，因为有了一个角动量。
Spinning this direction, angular momentum is in this direction.
这个方向旋转，角动量是，这个方向。
A falling object gains momentum as it falls.
物体下落增进动量。
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。
This is the plus or minus, so the product of the uncertainty and the momentum.
是加或减，所以不确定度和动量的结果。
The historical tide is surging forward with great momentum.
历史洪流气势磅礴，奔腾向前。
Development in sino-japanese relations has on the whole maintained a good progressive momentum.
中日关系总体上保持了发展的势头。
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。
You give it spin angular momentum, it becomes stable.
有了一个旋转的角动量，就变得稳定。