third rail

短语

n. 电动机车的输电轨(借以供给动力), 烈酒

词形变化

third rails 复数 third rails

释义与例句

n.
  1. 1.

    The electrified rail that runs beside or between train tracks to power electric trains.

  2. 2.

    Anything that is controversial or dangerous to come into contact with, or is best avoided.

    引申义

词汇关系