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litmus

英 [ˈlɪtməs]

美 [ˈlɪtməs]

n.  石蕊(一种遇酸变红而遇碱则变蓝的物质)

化学

BNC.36064 / COCA.16349

牛津词典

    noun

    • 石蕊(一种遇酸变红而遇碱则变蓝的物质)
      a substance that turns red when it touches an acid and blue when it touches an alkali
      1. litmus paper
        石蕊试纸

    英英释义

    noun

    • a coloring material (obtained from lichens) that turns red in acid solutions and blue in alkaline solutions
        Synonym:litmus test

      双语例句

      • To me it's a litmus test for people about who they are and how they perceive the world and how secure they are about themselves.
        我只把这电影当作人们认清他们是谁,他们如何观察这个世界和他们如何看待他们自己的试金石。
      • Now you'll use Apache Pluto to see if your portlet passes the litmus test of JSR168 compliance.
        现在使用ApachePluto来查明portlet是否能通过JSR168兼容性的最终测试。
      • You can discover the acidity of the solution with a litmus test.
        你可用石蕊来测试溶液的酸度。
      • The Baltics have replaced Berlin as the litmus test of western resolve.
        波罗的海已经取代柏林,成为西方决心的试金石。
      • Test: turns blue litmus paper red.
        做个试验吧,能把蓝色的石蕊试纸变成红色。
      • Ending the fighting must be the absolute priority, the litmus test of the agreements 'validity
        停火绝对是第一要务,也是检验协议是否有效的试金石。
      • Neutral reaction by litmus indicating paper.
        石蕊试纸呈中性反应。
      • Here's the litmus test you can use in order to determine if you are one.
        你可以用下面的测试来确定一下你是否是个好男人。
      • Any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water.
        各种水溶性的化合物,能使石蕊变蓝,与酸反应形成盐和水。
      • Litmus: Mixture of coloured organic compounds obtained from several species of lichens.
        石蕊:从几种地衣类植物中获取的带色有机化合物的混合物。