/'rezɪdju:; [US] -du:; `rɛzə,du/
n (usu sing 通常作单数) ~ (of sth)
1 what remains after a part or quantity is taken or used 剩余物; 残余.
2 (law 律) part of an estate remaining after all debts, charges, bequests, etc have been settled （扣除债款、各种费用、遗赠等之後的）剩余遗产. =>Usage at rest3 用法见 rest3.
[Date: 1300-1400; Language: Old French;Origin: residu, from Latin residuum, from residere; RESIDE]
[U and C]
a substance that remains on a surface, in a container etc and cannot be removed easily, or that remains after a chemical process
residue from sewage treatment plants
The flies leave a sticky residue on crops.
Rinse off any soap residue.
the part of something that is left after the rest has gone or been taken away
The residue of the stock was sold.
1. The syrup dried up, leaving a sticky residue. 糖浆变干后留下粘稠的东西。