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

• This litmus test contains questions such as: Is this service reusable and how many consumers will it have?
  这个测试包含以下问题：这个服务是可重用的吗？它会有多少用户？
• But does aviation really serve as a litmus test for such a transformation?
  但是通过航空业的发展真的能够看出上述转变过程的推进吗？
• 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。
• It requires a "Litmus Test", which determines a" good service ".
  它还需要一个“石蕊试验”，以决定是否是“良好的服务”。
• 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。
• Ammonia gas is colorless which can turn wet red litmus paper to blue.
  氨气是无色的，它可把湿的红色石蕊试纸变成蓝色。
• 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。
• Success and fame are often the litmus test of one's character.
  成功和名誉往往是对一个人的人格考验。
• The success of wind power represents a litmus test for renewable energy.
  风能作为动力的成功是对可再生能源一次立见分晓的检验。
• 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。