universal indicator
音标发音
- 英式音标 [ˌjuː.nɪ.vɜː.səl ˈɪn.dɪ.keɪ.tər]
- 美式音标 [ˌjuː.nɪ.vɝː.səl ˈɪn.dɪ.keɪ.t̬ɚ]
- 英式发音
- 美式发音
基本解释
- (化學上用的)通用指示劑(用來測定物質的酸堿性)。
英英字典
- a chemical solution made from a mixture of substances that produce many different colour changes according to different pH levels, used to discover how acid or alkaline something is