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檢索以下詞典:
(Mr. Ng 不推薦使用 Google 翻譯!)
最近搜尋:
: of, relating to, or being something (such as training or experience) learned, gained, or done while working at a job

Word History

First Known Use

1938, in the meaning defined above

Time Traveler
The first known use of on-the-job was in 1938

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