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
Dad ... Robbie. When did you come?
爸爸……Robbie。你们什么时候来的？
Yes, and you may stay there longer.
对，而且你也许会在那儿住久一些。
The petrol had nearly all been used up.
汽油几乎已经用光。