张帆

例句：

1. 1. The sailors were busy repairing the sails on the boat.
   水手们忙着修理船上的帆。
2. 2. The sails of the ship billowed in the wind.
   船帆在风中飘扬。
3. 3. The sailors had to work quickly to catch up with the tide.
   水手们得赶紧工作，以免被潮流甩在后面。