[化] 石蕊试纸
[医] 石蕊试纸
词型变化:名词复数形式 : litmus papers

litmus paper的用法和样例:

例句

用作名词(n.)
  1. Litmus paper turns red in the presence of an acid.石蕊试纸遇到酸就变红。
  2. We test the liquid for acidity with a strip of litmus paper.我们用一条石蕊试纸来试验这液体是不是酸性的。

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