kinetic energyn.(名词)kinetic energyA bowling ball has kinetic energy when it is moving. When it strikes the pins, some of that energy is passed on to the pins.
The energy possessed by a body because of its motion, equal to one half the mass of the body times the square of its speed.动能:物体由于运动而拥有的能量,等于物体质量的二分之一与物体速度平方的乘积