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值班的
"I'm on from five to midnight"
"Naval personnel on duty in Alaska"
"her on-duty hours were 11p.m. to 7 a.m."
国先网英语在线翻译词典收录了4367410条英语词汇在线翻译词条，基本涵盖了全部常用英语词汇的中英文双语翻译及用法，是英语学习的有利工具。