discolouration

解释
变色; 污点;

同义
stain discoloration discolouration
词性
n
解释
a soiled or discolored appearance
示例
the wine left a dark stain

同义
discoloration discolouration
词性
n
解释
the act of changing the natural color of something by making it duller or dingier or unnatural or faded
示例
None