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 historical tide is surging forward with great momentum.
历史洪流气势磅礴，奔腾向前。
Angular momentum can accompany nonrotational motion.
非旋转的运动可能伴随着有角动量。
Spinning this direction, angular momentum is in this direction.
这个方向旋转，角动量是，这个方向。
You give it spin angular momentum, it becomes stable.
有了一个旋转的角动量，就变得稳定。
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。
Angular momentum is in this direction.
角动量是这个方向了。
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。
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。
It's momentum of the system that is conserved.
是系统内的动量被转化了。
Angular momentum has two key components: spin angular momentum and orbital angular momentum.
角动量有两个分量：自旋角动量和轨道角动量。