monorails

例句:

• It's the chatter of servo-motors, the slow whine of monorails, of control signals manipulating remote machines.
  来自BBC
• Monorails are also considered to be a separate technology.
  单轨铁路也被考虑是一种分开的技术.
  
• Runway beams and monorails shall be rigidly supported in exact alignment.
  跑道梁和单轨应以精确的直线严格对齐.
  
• Trains, fork - lifts , monorails, space ships; they've got all the features that will appeal to youngsters.
  火车 、 高机 、 单轨铁路 、 空船, 这些东西最具吸引小孩子的特色.
  
• Monorails could enter and leave buildings well above street level and greatly improve access both for everyday use and emergency.
  来自SA