中桅帆

例句：

1. 1. The sailors were busy adjusting the sails to catch the wind.
   水手们忙着调整帆，以捕捉风。
2. 2. The captainordered the midship sail tobe raised for better visibility.
   船长命令升起中桅帆以便有更好的视野。
3. 3. The ship's mainsailwas caught in a strong gust ofwind, causing it to snap.
   船的主帆被一阵强风吹断。