matter that remains after something has been removed
something left after other parts have been taken away
residues的用法和样例:
例句
用作名词 (n.)
It is required to remove the residues of OA fluxes. 清除有机酸助焊剂的残留物是必须进行的。
The degradation of hydrocarbons and other chemical residues in contaminated subsurface environments presents special challenges. 在污染地表下碳水化合物和其它化学残留物的降解是一个棘手的问题。