mon·o·rail
noun/ˈmɒnəʊreɪl/
/ˈmɑːnəʊreɪl/
- [uncountable] a railway system in which trains travel along a track consisting of a single metal bar, usually one placed high above the ground
Topics Transport by bus and trainc2单轨铁路(通常为高架) - [countable] a train used in a monorail system
单轨列车