n. 帆；乘船航行；（风车的）翼板；帆船；帆布；脊鳍；（潜艇的）瞭望塔（sail 的复数）
v. 乘船航行；驾驶帆船航行；起航；在……上航行；飘；昂首而行；驾驶（船）；迅速行进（sail 的第三人称单数）
1.But steamships didn't lose their sails until the 1880s, because early marine engines had a nasty habit of breaking down.
但直到19世纪80年代，蒸汽船才将帆布去掉，因为早期的船用引擎经常发生故障。
2.As the boat moved down the river the wind began to fill the sails.
船顺河而下，风逐渐胀满了帆。
3.A stiff breeze made the sails bag out.
一股劲风吹得船帆鼓了出来。
4.She sails her own yacht.
她驾驶自己的游艇。
5.Once outside the inner breakwater, we began to unfurl all the sails.
一出内防波堤，我们就开始展开所有的风帆。
6.The sails are torn; they won't catch the wind.
帆破了， 兜不住风。