black.strap
n.（名词）A dark, very thick molasses, especially a residual product of sugar refining that is used in the manufacture of industrial alcohol and as an ingredient in cattle feed.赤糖糊：黑色且极为粘稠的糖蜜，尤指经提炼的糖的残留物。用于工业酒精的生产和猫食中的一种成份
来源：[From its color and texture] [源于它的颜色和结构]
