velocity instruction

例句：

1. 1. The instructor provideda clear explanation of the speed limit.
   教练对速度限制做了清晰的解释。
2. 2. Thephysics class emphasized the importance ofunderstanding velocity in real-world applications.
   物理课强调了理解速度在现实世界应用的重要性。
3. 3. The team's coach gave avelocity instruction during the practice session.
   团队的教练在练习期间给出了速度指导。