black.strap

n.（名詞）
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：黑色且極為粘稠的糖蜜，尤指經(jīng)提煉的糖的殘留物。用于工業(yè)酒精的生產(chǎn)和貓食中的一種成份

來源：
[From its color and texture]
[源于它的顏色和結(jié)構(gòu)]