miners' canary

短语

发音

AU

词形变化

miners' canaries 复数 miners' canaries

别名

canary in a coal mine miner's canary

释义与例句

n.
  1. 1.

    A caged bird kept caged in mines because its demise provided a warning of dangerous levels of toxic gases.

  2. 2.

    Any thing, especially an organism, whose demise or distress provides an early warning of danger.

    习语