英语词汇“xanthine”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

单词	xanthine
释义	Word Frequency xanthine (ˈzænθiːn, -θaɪn) noun 1. a crystalline compound related in structure to uric acid and found in urine, blood, certain plants, and certain animal tissues. Formula: C5H4N4O2 2. any substituted derivative of xanthine, esp one of the three pharmacologically active methylated xanthines, caffeine, theophylline, or theobromine, which act as stimulants and diuretics
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