Theaflavins which are formed when flavanols are oxidized make up approximately 2 percent of the weight of dried black tea. Alone,they are very astringent,and the amount of caffeine in tea should make it very bitter.
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黄烷醇氧化时形成的茶黄素约占干红茶重量的2%25。茶黄素在单独存在时很涩,同时茶中那样数量的咖啡因理应使茶变得很苦。
单词 Theaflavins which are formed when flavanols are oxidized make up approximately 2 percent of the weight of dried black tea. Alone,they are very astringent,and the amount of caffeine in tea should make it very bitter. 的词典定义。@海词词典-最好的学习型词典
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