Litmus paper turns red on contact with an acid 石蕊试纸遇酸度会变红
Neutral reaction by litmus indicating paper 石蕊试纸呈中性反应。
Examples are litmus and phenolphthalein 例如石蕊和酚酞。
Litmus paper can be used as an indicator of the presence of acid in a solution 石蕊试纸可用以测试溶液是否含酸
We have no litmus - paper , but , see , here they come with the syrup of violets . 我们没有蓝色试纸,但是,听!他们拿堇菜汁来了。 ”
It restores the blue color of litmus - paper reddened by an acid , and it turns syrup of violets green 它可以使被酸素变红的蓝色试纸恢复它的本色,它可以使堇菜汁变成绿色。
Certifies that the service conforms to the litmus test agreed to for a service so that the appropriate business value is obtained 服务测试人员确保服务经过严格的测试,以获得合适的业务价值。
a coloring material (obtained from lichens) that turns red in acid solutions and blue in alkaline solutions; used as a very rough acid-base indicator 同义词:litmus test,