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

• Test: turns blue litmus paper red.
  做个试验吧，能把蓝色的石蕊试纸变成红色。
• 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”。
• 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。
• An additional litmus test of the JSP technology's success in meeting its stated objectives is to see whether or not it is possible to achieve this goal in practice; certainly it isn't fair to hold JSP to an impossible standard.
  检验JSP技术是否成功达到其所述目标的另一种方法是看它能否在实践中实现这个目标；显然，如果认为JSP无法实际实现目标，这是不公平的。
• Do you see some sort of litmus test?
  您认为有某种类似石蕊试纸的东西可以帮助判断吗？
• The candidate services that passed through litmus testing are detailed.
  通过Litmus测试的候选服务会得到细化。
• 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。
• I wish there were some easy litmus test that I could just give you so you'd know which of you would be making a mistake taking this class.
  我希望能有一种简单的石蕊测试，让我可以直接展示给你们并让你们知道，你们中的谁上这门课是一个错误。
• 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。
• 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。