danger signal

短语

危险信号 [法] 危险信号

词形变化

danger signals 复数

别名

danger-signal

释义与例句

n.
  1. 1.

    A signal set at danger and showing a red light or other stop indication, which a train driver must not pass until it changes or until manually cleared past the signal by a dispatcher.

    交通
  2. 2.

    An indication that a potentially bad or dangerous situation could develop.

    比喻