stain
/steɪn/
n. 污染, 污点, 着色剂
vt. 沾染, 染污, 着色
vi. 变脏
词形变换
过去式 stained · 过去分词 stained · 现在分词 staining · 第三人称单数 stains · 复数 stains
英文释义
n. a soiled or discolored appearance
n. (microscopy) a dye or other coloring material that is used in microscopy to make structures visible
v. color with a liquid dye or tint
v. produce or leave stains
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