1. vt. & vi.（使）加快；促进　happen or make sth happen faster or earlier than expected
2. vt. & vi.（使）加速　start to go faster; (cause to) move faster

　accelerate　的意思是“（使）加快；（使）加速”，可指（使）某事比预期的更快或更早发生，也可指（使）车辆或人加快速度。可用作及物动词，也可用作不及物动词。用作及物动词时，其宾语可以是具体名词，也可以是抽象名词，可用于被动结构。

　～ measure　加快步调
　～ motion　加速运动
　～ sb's departure　使某人早些离去
　～ the heartbeat　使心跳加速
　～ the pace　加快步调
　～ the process　加快进程
　～ the train　使火车提速
　～ abruptly　骤然加速
　～ suddenly　突然加速

　This means you can accelerate rather more rapidly.　这表示你可以走得更快一点。
　The train accelerated.　火车加速了。
　The car suddenly accelerated.　汽车突然加速。
　The car accelerated downhill.　汽车下坡时速度加快。
　Suddenly the van accelerated and shot forward.　那辆货车突然加速朝前冲去。
　A falling body accelerates at a rate of 32 ft/s² .　落体以32英尺/秒²的速度加速落下。
　John's new car can accelerate from 10mph to 60mph in a few seconds.　约翰的新车能在几秒钟内把时速从10英里增加到60英里。
　The car can accelerate to 60 km/h in 10 seconds.　只消10秒钟，这辆汽车的车速就可达到每小时60千米。
　He felt the patient's pulse and noticed that it accelerated slightly.　他给病人诊脉，发现病人脉搏稍为加快了。
　Inflation is likely to accelerate this year, adding further upward pressure on interest rates.　通货膨胀今年可能会加快，从而进一步迫使利率上调。
　Stock prices surged yesterday as volume accelerated sharply.　昨天随着交易额的急剧上升，股票价格猛涨。
　The number of technical papers accelerated.　技术论文的数量增加了。
　The driver accelerated to pass the other car.　司机为超过前面的车而加快了车速。
　Some of the students went to summer sessions to accelerate.　有几个学生参加了暑期速成学习班。
　The decline of her health seemed to suddenly accelerate.　她的身体状况似乎突然加速恶化了。

　The bad weather accelerated our departure.　坏天气促使我们提前离开。
　She accelerated her car and passed the bus in front.　她加快车速超越前面的巴士。
　The engineer accelerates a train by turning on more power.　火车司机用增加动力的办法使火车加速。
　We should accelerate our research in atomic power generation and speed up the building of atomic power plants.　我们要加快原子能发电的研究，加速原子能电站的建设。
　Our country should accelerate the rate of economic growth.　我国应加快经济增长率。
　The increased capital could greatly accelerate economic development.　增加的资本会大大地加快经济发展。
　The director's mismanagement has accelerated the company's failure.　主管者的管理不当加速了公司的倒闭。
　Neglect has accelerated this building's decay.　由于无人看管，这座楼房破败得更快了。
　This medicine can accelerate heartbeat.　这种药能加快心跳速度。
　Fertilizer will accelerate the growth of these tomato plants.　肥料将促进这些西红柿秧生长。
　They use special chemical substances to accelerate the growth of crops.　他们使用特殊的化学物质来促进农作物的生长。
　Sunshine, fresh air, and rest often accelerate a person's recovery from sickness.　阳光、新鲜空气以及休息往往可使病人尽快康复。
　Bacterial reproduction is accelerated in weightless space.　在失重的空间，细菌繁殖加快了。
　Let us see why the reaction is accelerated.　让我们看一看反应为什么会加快。
　His college gave him accelerated promotion to Associate Professor.　他那所学校破格提拔他当副教授。

　［派生词］ acceleration n.加速，加快；加速的幅度；加速能力；加速度‖accelerator n. （汽车的）油门；加速器
　［同义词］ hasten, hurry
　［反义词］ decelerate, retard, delay
　［词源］拉丁语accelerare（加速）