名詞 retrieval:

1. (computer science) the operation of accessing information from the computer's memory
2. the cognitive operation of accessing information in memory
3. the act of regaining or saving something lost (or in danger of becoming lost)
   同義詞：recovery

1. Lost possessions beyond retrieval.
   無法挽回的失去物品
2. A number used in information storage or retrieval that is assigned to a specific memory location.
   存儲器位置，地址，編址指定于某個特定區(qū)域內(nèi)，用于信息存儲或提取的數(shù)字
3. A unit of a computer that preserves data for retrieval.
   存儲器存儲數(shù)據(jù)以備日后查用的計算機部件
4. A word, symbol, or number used as a descriptor for retrieval of information from a collection, especially in a coordinate indexing system.
   用作描述符的一種字、符號或數(shù)，用于從某一集合中，特別是從某一配位標引系統(tǒng)中檢索信息

re.triev.al

n.（名詞）
The act or process of retrieving.
復得，收回，挽回：收回或挽回的行為或過程
Computer Science The process of accessing information from memory or other storage devices.
【計算機科學】 檢索：從內(nèi)存或其它存儲設備中獲取信息的過程
The possibility of being retrieved or restored:
挽回可能：被收回或領回的可能性：
例句：
lost possessions beyond retrieval.
無法挽回的失去物品