bitter flavorＴ 基本例句 苦香味 Eventually protein- digesting bacteria become active, resulting in a putrid odor and bitter flavor. 最终消化蛋白质的细菌成为优势菌，结果是出现腐败味和苦味。 chinafanyi.com This longer curing process develops black tea’s tannins, its strong bitter flavor, and its dark color. 这个漫长的过程增加了红茶中的单宁酸，这给了红茶那种更强的苦味和更深的颜色。 yeeyan