pitching period

例句：

1. 1. The pitching period is crucial for a team's performance.
   投球时期对于球队的表现至关重要。
2. 2.During the pitching period, the batter must focus on his swing.
   投球期间，击球手必须专注于他的挥棒动作。
3. 3. The pitching period was shortened due to rain delays.
   由于雨天延误，投球期缩短了。