accelerate
A intransitive verb
1 Motor Vehicles 加速;
to accelerate away 加速离开;
to accelerate from 0 to 60 mph 从每小时0英里加速到60英里
2 figurative 加快;
the fall in unemployment has accelerated 失业率加速下降
B transitive verb
(also Physics) 加快;
the new machinery accelerated the work rate 新机器提高了工作效率