C2 noun #69,822 最常用

phenolphthalein

UK /fiːnɒlˈfθeɪliːn/ | US /fiːnɒlˈfθeɪliːn/

A quinone derivative used as a pH indicator, and once used as a laxative

phenolphthalein 30秒了解

  • (noun) A quinone derivative used as a pH indicator, and once used as a laxative

Meanings

  1. 1
    noun A quinone derivative used as a pH indicator, and once used as a laxative
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