warning sign

短语

警示标志

词形变化

warning signs 复数 warning signs

释义与例句

n.
  1. 1.

    A sign that indicates a danger, for example to vehicles on a road or of hazardous chemicals.

    警示标志

  2. 2.

    An indication that someone or something is in danger or at risk.

    危险信号

    比喻