litmus
/ˈlɪtməs/noun
mass noun
- a dye obtained from certain lichens that is red under acid conditions and blue under alkaline conditions石蕊。
词源
Middle English: from Old Norse lit-mosi, from litr 'dye' + mosi 'moss'.
| 单词 | litmus |
| 释义 | litmus/ˈlɪtməs/noun mass noun
词源 Middle English: from Old Norse lit-mosi, from litr 'dye' + mosi 'moss'. |
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