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

• 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。
• 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 president's policy on abortion is regarded as a litmus test of his views on women's rights.
  总统在堕胎问题上的政策被视为其在妇女权利上的观点的表露。
• 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。
• 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。
• Test: turns blue litmus paper red.
  做个试验吧，能把蓝色的石蕊试纸变成红色。
• 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。
• 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。
• 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。