[mass noun]the action of preserving something 保护,保养;维护,保全 the preservation of the city's green spaces. 城市绿地的保养。 food preservation. 食物保存。 ■the state of being preserved, especially to a specified degree 保存,保留;留存 in a fine state of preservation. 被完好保存着。
语源
late Middle English: via Old French from medieval Latin praeservatio(n-), from late Latin praeservare 'to keep' (see preserve)