| 单词 | 老化 |
| 释义 | 〔archival〕"An archival material should have a neutral or slightly alkaline pH; it should also . . . have good aging properties"(Artist's Magazine)“档案材料应具有中性或略呈碱性的PH值；它也应…具有良好的老化性能”(艺术家杂志)〔involution〕A progressive decline or degeneration of normal physiological functioning occurring as a result of the aging process.退化：因老化而出现的正常身体功能的持续衰退或退化〔aging〕An artificial process for imparting the characteristics and properties of age.老化；熟化；陈化：使具有老年特点和特征的人工过程〔depreciation〕A decrease or loss in value, as because of age, wear, or market conditions.降价，减值：由于老化、磨损或市场条件而造成价值上的减少或损失〔timeworn〕Showing the effects of long use or wear:老化的：显示出长期使用或磨损的痕迹的： |
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