best foot

例句：

1. 1. She is in the best foot for a long run.
   她处于最佳状态，准备进行长跑。
2. 2. The team's performance reached its optimum condition during the crucial match.
   该队在关键的比赛中达到了最佳状态。
3. 3. He is in peak performance after a rigorous training session.
   经过一次严格的训练后，他处于最佳状态。