litmus [ˈlɪtməs]

例句:

• The success of wind power represents a litmus test for renewable energy.
  风能作为动力的成功是对可再生能源一次立见分晓的检验。
  
• But I certainly would not impose any litmus test.
  来自WSJ
• The outcome will be seen as a litmus test of government concern for conservation issues.
  这结果将被视为检验政府是否关注自然资源保护问题的试金石。
  
• Ending the fighting must be the absolute priority, the litmus test of the agreements' validity.
  停火绝对是第一要务，也是检验协议是否有效的试金石。
  
• Fish and wildlife are the litmus test of environmental health.
  来自SA
• Psychiatry has no universal litmus test for depression.
  来自SA