pick up speed

例句：

1. 1. The car is picking up speed as we drive down the highway.
   随着我们沿着高速公路行驶，汽车的速度在提高。
2. 2.The team needs to pick up speed if they want to finish the race in time.
   如果团队想要按时完成比赛，他们需要提速。
3. 3. After a long break, the athletes are picking up speed and competing at their best.
   经过长时间的休息后，运动员们开始提速，并发挥出最佳水平。