碱性蓝 jiǎnxìnglán alkali blue Origin Definitions Defs Strokes Stroke Words Sentences Sents 碱性 鹼性 jiǎnxìng alkalinity; alkaline the chemical property of being alkaline, characterized by the ability to neutralize acids and turn litmus paper indicators such as litmus paper blue蓝 藍 lán adjective blue blue; like the color of a clear sky