1·The ratio of isoamylol to isobutanol reached 60:1, which showed that burdock wine had good quality.
牛蒡酒中异戊醇与异丁醇的比例高达60∶1，表明该酒品质优良。
2·The disequilibrium of isoamylol and normal propyl alcohol directly caused the bitterness in grape wine etc.
葡萄酒中的苦味是由异戊醇与正丙醇失去平衡造成等等。