Retrieval operation
[计] 检索操作
🧩 词语组成解析
retrieval
[ri'tri:vəl]
n. 收回，挽回;检索;
🗣️ 情景例句
in the past few weeks.
在最近几个星期。
How long will you remain in the United States?
你将会在美国逗留多久？
Anyone who has played even in a school football match knows this.
即使是仅仅参加过学校足球赛的人也有种体会。