前桅大横帆

例句：

1. 1. The ship's sailswere all set up, and the crewwas busy adjusting the mastsand yards.
   船的帆都挂好了，船员们忙着调整桅杆和绳索。
2. 2.The captain had to make a quick decisionabout which sail to use for the nextleg of the journey.
   船长必须迅速决定在下一程旅程中使用哪个帆。
3. 3. Thewind was picking up, and the sailors had to adjust their sails tocatch the current.
   风开始增强，水手们不得不调整帆以抓住潮流。