velocity earphone

例句：

1. 1. The car accelerated to a high velocity as it approached the intersection.
   汽车接近交叉口时加速到高速。
2. 2.The project's success depends on its velocity in achieving its goals.
   该项目的成功取决于其实现目标的速度。
3. 3. The runner's velocity increased with each passing mile.
   随着每一英里的过去，跑步者的速率增加。