freedom from adulteration or contamination
纯净;洁净,清洁
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the purity of our drinking water. 我们饮用水的纯净度。
freedom from immorality, especially of a sexual nature
(尤指性)纯洁,清白;贞洁;童贞
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white is meant to represent purity and innocence. 白色被视作纯洁与清白的象征。
"Middle English: from Old French