foretopsail

例句：

1. 1. The ship's sails were all set for thewind.
   船的帆都准备好了迎风。
2. 2.The sailors had to adjust their sails to catch the current.
   水手们不得不调整帆以捕捉水流。
3. 3. Thecaptain ordered the foretopsail to be raised.
   船长命令升起前帆。