blackstrap

【机】 赤糖糊

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]