acceleration
                    
      英 [əkˌsel.əˈreɪ.ʃən]                            
                        美 [əkˌsel.əˈreɪ.ʃən]                    
                    
                    
                    
                 
                
             
                        
            
                物理中用 a 表示加速度,其中的 a 就是单词 acceleration 的首字母缩写。            
                        
            
                
- acceleration (n.)
- 1530s, from Latin accelerationem (nominative acceleratio) "a hastening," noun of action from past participle stem of accelerare "to hasten, quicken" (see accelerate).
 
                
- 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. 
- 所有太空人都应能承受加速度.