WORD BY WORD
stain
英/stˈeɪn/
美/ˈsteɪn/
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01n.
污染, 污点, 着色剂
a soiled or discolored appearance; (microscopy) a dye or other coloring material that is used in microscopy to make structures visible
02v.
沾染, 染污, 着色
color with a liquid dye or tint; produce or leave stains
03v.
变脏
color with a liquid dye or tint; produce or leave stains