| 单词 | litmus paper |
| 释义 | litmus paperWord family nounlitmus paperlitmuslitmus test Chemistry ˈlitmus ˌpaper noun [uncountableU] HCpaper containing litmus, used to test whether a chemical is an acid or an alkali 石蕊试纸 Examples from the Corpus litmus paper• The use of litmus paper furnishes another example of such a transformation.• In a drawer the litmus paper mused upon which way to turn.• The litmus paper turned red when immersed in the liquid. |
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