molasses; black treacle
Refers to the thick, dark byproduct of sugar refining, used in cooking and industrial contexts.
Molasses is used in this bread.
sugar syrup
A broader term for any thick, sweet syrup made from sugar, not necessarily the dark refining byproduct.
Preserve fruit by soaking it in sugar syrup.
molasses; black treacle
Compound of 糖 (sugar) and 蜜 (honey/syrup), directly describing a sweet, thick liquid derived from sugar.