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

• 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。
• 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？
• Apply the litmus test: Can some other presentation technology do this?
  看看最关键的考验：其他一些表示技术能做到这一点吗？
• 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。
• 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。
• Neutral reaction by litmus indicating paper.
  石蕊试纸呈中性反应。
• 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。
• 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。
• 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。