Verb:

1. transport to a destiny through pipes;

   "We have to pipe in oil"
   

2. bring in through pipes;

   "Music was piped into the offices"
   

pipen.管子；烟斗；管乐器vt.以管输送；装管道；吹奏；尖声说；(为衣服等)滚边vi.吹奏管乐；尖叫pipe base管道基础pipe duct管沟,管渠pipe shed管棚pipe seal管接头密封pipemovern.喷灌装置管道移动器pipe tray管式浮阀塔盘pipe fish海龙pipe loss管道损耗,管道损失pipe bomb管状炸药, 爆破筒pipe coil蛇形管,盘管

1. We heard their piping in the distance.
   我们听见他们在远处吹奏的笛声。