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单词 universal indicator
释义

universal indicator

​noun countable ​chemistry
UK
Word Forms
singularuniversal indicator
pluraluniversal indicators
DEFINITIONS1
  1. 1
    a chemical solution that changes to different colours depending on how acid or alkaline the substance being tested is
    Synonyms and related words
    Chemical substances used for a specific purpose
    agar
    antifreeze
    antioxidant

universal indicator

​noun countable ​chemistry
US
Word Forms
singularuniversal indicator
pluraluniversal indicators
DEFINITIONS1
  1. 1
    a chemical solution that changes to different colors depending on how acid or alkaline the substance being tested is
    Synonyms and related words
    Chemical substances used for a specific purpose
    agar
    antifreeze
    antioxidant
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更新时间：2026/9/12 5:39:53