speed agility run

例句：

1. 1.The car accelerated to a speed of60 miles per hour.
   汽车以每小时60英里的速度加速。
2. 2. The racers were trying to reach the finish lineas fast as possible.
   赛车手们正试图尽可能快地到达终点线。
3. 3. Thetrain sped through the tunnel in lessthan an hour.
   火车在不到一个小时的时间内穿过隧道。