| 词汇 | patina | 
| 释义 | patina  noun uk/ˈpæt.ɪ.nə/ /pəˈti.nə/ /ˈpæt.ɪ.nə/  [ S ](物体表面的)薄层  a thin surface layer that develops on something because of use, age, or chemical action  His tomb was covered with a yellow patina of lichen. 他的墓地上长了一层薄薄的黄色地衣。   [ S ] formal假象  something that makes someone or something seem to be something that they are not  Beware their patina of civility, it's only an act. 当心他们礼貌、客气的假象,那只不过是在装样子。   [ U ] chemistry specialized(铜器表面的)铜绿,铜锈  a blue-green layer that forms on copper, brass or bronze | 
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