litmus test
柯林斯词典
1. N-COUNT If you say that something is a litmus test of something, you mean that it is an effective and definite way of proving it or measuring it. 立见分晓的检验办法[usu sing, usu N 'of/for' n]
Ending the fighting must be the absolute priority, the litmus test of the agreement's validity. 停火绝对是第一要务，也是检验协约是否有效的试金石。
The success of wind power represents a litmus test for renewable energy. 风能利用的成功是对可再生能源的一次立见分晓的检验。
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litmus test /ˈlɪtməs tɛst/ (litmus tests)
剑桥词典
- a test to find out if a substance is acid or alkaline
石蕊测试，酸碱测试
[ 通常作为单数使用的名词 ]
someone's decision or opinion about something that suggests what they think about a wider range of related things
（具有更广泛意义的）决定，意见
The president's policy on abortion is regarded as a litmus test of his views on women's rights . 总统在堕胎问题上所采取的政策表明他对女性权利的总体看法。 返回 litmus test