Read Edit View history 石蕊试纸 shíruǐshìzhǐ litmus paper Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 石蕊试纸/石蕊試紙 · shíruǐshìzhǐ · litmus paper 2026/03/04 石蕊试纸 / 石蕊試紙 shíruǐshìzhǐ litmus paper (chemistry) litmus paper 这种溶液能使蓝色石蕊试纸变红。 created sense Mar 4, 2026, 02:25 AM