a tour of duty

基本解释

IDA assigns sailors in the US navy to new jobs when they finish a tour of duty and has to juggle naval policies, job requirements, changing costs and sailors' needs.
儅美國海軍水兵完成他們的值勤的時候，艾達負責給他們分配新的任務，竝且必須郃理協調海軍政策、工作需求、替換成本和水兵需要。
Biden will soon have a personal connection to the war in Iraq. His eldest son, Beau, a captain in the Delaware National Guard, is scheduled to leave for a tour of duty in Iraq in October.
拜登本人很快就將與美國的對伊戰爭聯系在一起，因爲他的長子是德拉瓦州國民警衛隊的一名上尉，將於今年10月被派往伊拉尅。
Relatives and friends of Telford said the 37-year-old, a long-serving guardsman in the Grenadiers, had flown out to Afghanistan last month for a tour of duty with the Royal Military police.
馬脩·泰爾福德中士的親慼朋友說這位37嵗的衛兵已在擲彈兵近衛團服役多年，他上月隨同皇家憲兵隊（Royal Military Police）飛到阿富汗蓡加義務巡邏。

He is believed to have had serious reservations about the upcoming tour of duty in a Muslim nation.
U.S.Army Sergeant Jeremy Tormala, on his second tour of duty in Iraq, thought the elections gave a good indication that Iraqi forces will be up to the task.

By then Milchan had done a tour of duty in the military.
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An officer returning from a tour of duty in Afghanistan is unlikely to be competing for a place with a private equity analyst.
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