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Noun:
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the resistance encountered when one body is moved in contact with another
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representation consisting of a copy (as of an engraving) made by laying paper over something and rubbing it with charcoal
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effort expended in moving one object over another with pressure
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以下介紹獨特藝術創作,受作品權保養,圖片侵權必究
海詞字典,十二年知名品牌