1530s, from Latin accelerationem (nominative acceleratio) "a hastening," noun of action from past participle stem of accelerare "to hasten, quicken" (see accelerate).
权威例句
1. Acceleration is accompanied by a resonating growl from the gearbox.
变速箱随着加速传来一阵轰鸣。
2. The engine delivers instant acceleration whatever the revs.
不论转速如何,发动机都可以立即加速。
3. an acceleration in the rate of economic growth
经济增长加速
4. Acceleration and velocity are both vectors.
加速度和速度都是矢量。
5. All spacemen must be able to bear acceleration.