Brettanomyces (Brett): A spoilage yeast that can cause what are commonly described as barnyard aromas and flavors in a wine. Some people feel that, in small amounts, it can add a pleasant spicy, leathery component or complexity to a wine. Others feel that it is a flaw in any amount. Sensory thresholds and tolerance of brett vary.

酒香酵母（简称Brett）： 一种能为葡萄酒增添农场味的腐败酵母。有些人觉得，少量添加可以为葡萄酒增添令人愉悦的香料味，皮革味或者增加葡萄酒的复杂性。另一些人则认为不管添加多少，都是一种缺陷。对气味的感受阈值和容忍度都是因人而异的。