pre-acceleration

例句：

1. 1. The car's pre-acceleration is smoother than the regular acceleration.
   这辆车的预加速比常规加速更平滑。
2. 2.The team needs to practice their pre-acceleration drills before the game.
   球队需要在比赛前练习他们的预加速训练。
3. 3.The new engine has a pre-acceleration of 50 mph, which is faster than the old one.
   新引擎的预加速为50英里每小时，比旧的快。