litmus test

名词 n.
中文释义

英文释义

名词 n.
  1. A simple, binary test for the acidity or alkalinity of a substance, using litmus paper.
  2. Any test which produces a binary, decisive result (for example, determining whether to appoint someone to a job) by measuring a single indicator. broadly,figuratively
    — Exams, not interviews, have become the litmus test for entry to university.

词形变化

litmus tests plural

词源

From litmus + test.
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