litmus-
英['lɪtməs]
美['lɪtməs]
- 染料衣
详细释义
名词 litmus:
-
a coloring material (obtained from lichens) that turns red in acid solutions and blue in alkaline solutions; used as a very rough acid-base indicator
用法讲解
- litmus test 决定性的试验(严峻的...
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