c8h10n4o2caffeinecoffeinekeffeinmethyl theobrominemethyltheobrominetheinetrimethylxanthine咖啡因, 咖啡硷: coffeinum低咖啡因咖啡: decaf咖啡因;茶碱;咖啡碱: thein(e)脱咖啡因咖啡: caffeine free coffee; decaffeinated coffee无咖啡因咖啡: decaffeinated coffee/decaf coffee下载手机词典可随时随地查词查翻译