Retrieval system
[计] 检索系统
🧩 词语组成解析
retrieval
[ri'tri:vəl]
n. 收回，挽回;检索;
🗣️ 情景例句
He has had various experiences in his life.
他的生活经验丰富。
The farmer is hoeing the fields.
农民在耕地。
Was that the 21st?
21号吗？