momentum
推进力
释义2：
momentum
/ mEu5mentEm /
◙ (pl. momenta -tə), [mass noun] 1. [Physics] the quantity of motion of a moving body, measured as a product of its mass and velocity• [物理] 动量；冲量2. the impetus gained by a moving object• 冲力，势头 »the vehicle gained momentum as the road dipped. 下坡时，车辆冲力增大。 the impetus and driving force gained by the development of a process or course of events• 动力；势头 »the investigation gathered momentum in the spring. 春天调查力度加大了。【语源】
1. late 17th cent.: from Latin, from movimentum, from movere 'to move'
俄语/英语字母转换