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

• 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 fifth view is more of a litmus test view.
  第五种视图更多的是一种LitmusTest视图。
• A sense of control, according to Anderson, is the litmus test for success.
  据安德森看来，有无控制感是成功的试金石。
• 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。
• In general, the litmus test for separating honesty from corruption in official circles is money.
  一般来说，鉴别官场上廉洁与腐败的试金石是金钱。
• 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。
• 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。
• 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。