详细解释:n. 酚酞
【化】 酚酞
【医】 酚肽
英语解释：
名词 phenolphthalein:
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详细解释：
phe.nol.phthal.ein
n.（名词）A white or pale yellow crystalline powder, C20H 4O 4, used as an acid-base indicator, in making dyes, and in medicine as a laxative. 苯酚酞：一种白色或淡黄色的晶体粉末，C20H 4O 4，用作酸性指示剂，用于制染料，并在医学上用作一种轻泻剂