litmus blue

英 [ˈlɪtməs bluː]

美 [ˈlɪtməs bluː]

石蕊蓝

机械

双语例句

• Any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water.
  各种水溶性的化合物，能使石蕊变蓝，与酸反应形成盐和水。
• Strong bases that turn litmus paper blue, they react with acids to yield salts, are caustic, and in concentrated form corrode tissues.
  它们与酸作用成为中性盐；它们是苛性的，其浓缩物可腐蚀有机组织。
• 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。