yeasty['ji:sti]adj.1.■酵母(似)的;发酵的2.■起泡沫的3.■轻薄的,浅薄的;轻浮的4.■动荡的,骚动的,不安的5.■年轻的,精力充沛的;热情奔放的变形adj.yeastieryeastiest