litmus
n. 石蕊
近义词：litmustest，
详细释义
n.(名词)
- 【化】石蕊
英英释义
Noun
- 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
例句
用作名词(n.)
- Litmus paper turns red in the presence of an acid.石蕊试纸遇到酸就变红。
- A sense of control is the litmus test for success.自我控制能力是成功的试金石。