3325英语网 英语单词
Phenolphthalein的音标发音
Phenolphthalein
英式发音：[,fi:nɒl'fθæli:n]
美式发音
(noun.) a laxative used in many preparations under various trade names; also used as an acid-base indicator in titrations involving weak acids and strong bases because it is brilliant red at high alkalinity and colorless below pH 8.
手打:内蒂
