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单词 litmus
释义
Litmus
nnoun.substancea coloring material (obtained from lichens) that turns red in acid solutions and blue in alkaline solutions; used as a very rough acid-base indicator
Synset:litmus test
Substance Holonyms:litmus paper
Hypernyms:acid-base indicator
Inherited Hypernyms:litmusacid-base indicatorindicatorcoloring materialmaterialsubstancematterphysical entityentity
Inherited Hypernyms:litmusacid-base indicatorindicatorcoloring materialmaterialsubstancepartrelationabstractionentity
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更新时间:2025/3/25 2:58:41