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

• When making decisions about the future, we naturally use events from the past as litmus tests.
  当我们做出有关未来的决定时，自然地我们用过去的事件作为”试金石“。
• 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。
• 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。
• 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？
• 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”。
• 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。
• 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。
• 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。
• 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。