单词 | litmus |
释义 | litmus n. a dye obtained from lichens that is red under acid conditions and blue under alkaline conditions. Phrases and idioms litmus paper a paper stained with litmus to be used as a test for acids or alkalis. Etymology: ME f. ONorw. litmosi f. ON litr dye + mosi moss |
随便看 |
英语词典包含43808条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。