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

• Neutral reaction by litmus indicating paper.
  石蕊试纸呈中性反应。
• 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。
• 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。
• 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？
• 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。
• 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。
• 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。
• 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？
• 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？