litmus test
noun[C]
uk/ˈlɪt.məs ˌtest/us/ˈlɪt.məs ˌtest/atesttofindout if asubstanceisacidoralkaline
石蕊测试,酸碱测试[usually singular]
someone'sdecisionoropinionabout something thatsuggestswhat theythinkabout awiderrangeofrelatedthings:
(具有更广泛意义的)决定,意见The president'spolicyonabortionisregardedas alitmustestofhisviewson women'srights.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。
Signs, signals and symbols
- beacon
- breadcrumb
- cryptanalyst
- delimiter
- digital badge
- ideogram
- indicator
- lagging indicator
- leading indicator
- logograph
- marksomething/someoneoff
- marker
- prompt
- semiotics
- signifier
- signing
- SOS
- status symbol
- the all-clear
- totem pole