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

We deepened reform and opening-up to boost the vitality and momentum of economic and social development.
坚持深化改革和扩大开放，着力增强经济社会发展的活力与动力。
I torque for time delta t, and so I add angular momentum like this.
我的力的时间是δt，我加入，了角动量像这样。
Constraints can give you speed and momentum.
约束能给你速度和动力。
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。
We need to continue this momentum.
我们必须使这种动力得以持续。
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。
We cannot let this momentum wane.
我们不能让这种势头减弱。
A falling object gains momentum as it falls.
物体下落增进动量。
You need momentum and action to move ahead this year!
今年你需要动力和行动来实现这个目标。
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。