石蕊试纸石蕊試紙

shí ruǐ shì zhǐ

Meaning

(chemistry) litmus paper

Learn in the app → Write in stroke order

Characters

石shístone, rock, mineral厂口蕊ruǐflower bud艹惢试shìto try, to experiment; exam, test讠式纸zhǐpaper纟氏