casual acceleration

例句：

1. 1. The car's sudden acceleration caught me off guard.
   汽车突然加速让我措手不及。
2. 2.The team's casual acceleration helped them to win the game.
   团队的偶然加速帮助他们赢得了比赛。
3. 3.The sudden acceleration of the engine caused a loud noise.
   发动机的突然加速产生了噪音。