top gear acceleration

例句：

1. 1. The car is at top gear, ready to accelerate quickly.
   汽车处于最高挡，准备迅速加速。
2. 2. The racers are pushing their cars to the top gear for maximum acceleration.
   赛车手们正在将他们的车推至最高档位以获得最大的加速度。
3. 3. The driver must be at top gear to reach the finish line in time.
   驾驶员必须处于最高档位才能及时到达终点线。