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

• 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。
• 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？
• Whats a quick litmus test to determine if youre on the path to happiness or regret?
  就如一张检验你是在通往幸福还是悔恨的道路上的石蕊试纸一般。
• 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。
• Unsized paper treated with litmus for use as an acid-base indicator.
  未定尺寸经石蕊处理的纸，用作酸碱显示剂。
• 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。
• 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。
• Test: turns blue litmus paper red.
  做个试验吧，能把蓝色的石蕊试纸变成红色。
• Neutral reaction by litmus indicating paper.
  石蕊试纸呈中性反应。
• Now, I would not provide a litmus test.
  现在，我不会提供石蕊测试。