running speed

例句：

1. 1. The car's running speed is 60 miles per hour.
   这辆车的运行速度是每小时60英里。
2. 2.The racers are trying to maintain their running speed for the final lap.
   赛车手们正试图保持他们的运行速度完成最后一圈。
3. 3. The team needs to improve its running speed to catch up with the competition.
   团队需要提高运行速度以赶上竞争。