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| NOUN |
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| /steɪn/ |
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| 1 | C a mark left accidentally on clothes or surfaces 污迹；污点 |
| There was a dark stain on the carpet. 地毯上有块黑色的污点。 |
| coffee/blood/oil stains 咖啡/血/油的污迹 |
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| 2 | C/U a liquid used for colouring wood （染木用的）染色剂，着色剂 |
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| 3 | C/U science a liquid used for marking things deliberately so that they can be examined under a microscope （在显微镜下观察前给标本染色用的）着色剂 |
| PHRASE |
| - | a stain on sb’ s character/reputation etc
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| something bad that someone has done that spoils their reputation |
| 某人人格/名誉等上的污点 |
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