| 释义 |
ac·cel·er·ationBrE /əkˌseləˈreɪʃn/ NAmE /əkˌseləˈreɪʃn/ noun [U , sing. ]~ (in sth )an increase in how fast sth happens 加速；加快◆ an acceleration in the rate of economic growth 经济增长加速[U ]the rate at which a vehicle increases speed （车辆）加速能力，加速的幅度◆ a car with good acceleration 加速性能良好的汽车[U ](physics物理) the rate at which the velocity(= speed in a particular direction )of an object changes 加速度 |