| 释义 |
purification 构词法3100 全国卷频次：0 /ˌpjʊərɪfɪˈkeɪʃn/ n. [U] 纯化，提纯 高考真题原句提选：Sometime what is taken for granted (被认为理所当然), like the setting up of a water purification plant or the administration of a school, could be useful for countries which are looking about to solve common problems.有时，被认为是理所当然的事情，如建立一个净水厂或管理一所学校，对那些正在寻找解决共同问题的国家来说可能是有用的。Backpacking is the top activity at this camp, including classes in backpacking stove (火炉) operation, back country first aid, water purification, and map and compass skills.背包旅行是这个营地的首要活动，包括背包旅行炉子的操作、内陆急救、水的净化、地图和指南针技能等课程。 |