phenol phthalein

 
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phenol phthalein的英文翻譯是什麼意思,詞典釋義與在線翻譯:

英英釋義

名詞 phenolphthalein:
  1. 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

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