| 词汇 |
litmus |
| 释义 |
litmus noun /ˈlɪtməs/ /ˈlɪtməs/ [uncountable] - a substance that turns red when it touches an acid and blue when it touches an alkali石蕊(一种遇酸变红而遇碱则变蓝的物质)
Collocations DictionaryLitmus is used before these nouns: 词源Middle English: from Old Norse lit-mosi, from litr ‘dye’ + mosi ‘moss’.
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