工作期限：指某人在国外工作的一段时间，尤指士兵或官员。
tour of duty //
可数名词 A soldier's tour of duty is a period of time when the soldier is involved in a particular duty or stationed in a particular place such as a war zone. 勤务
...a Green Beret who served two tours of duty in Vietnam.
...一位两次在越南执行勤务的绿色贝雷帽成员。
a period of time spent in military service
同义词： enlistment / hitch / term of enlistment / duty tour / tour
服役期；值班，值勤
_西南百科求越战美剧《霹雳神兵》(Tour of Duty)全3季58集的中文字幕.这个不好找啊，我刚搜 下好久，很难找到lz 这不美剧挺早的啊.
... toughness 韧性 tour of duty 执勤期 tour 班 ...
服役期(tour of duty), 此释义来源于网络辞典。
值班(tour of duty), 此释义来源于网络辞典。
任期；服役期；值班
The soldiers all used to do a six-month tour of duty in Northern Ireland.
士兵过去都要在北爱尔兰服役六个月。
In 1968, he received orders for his second tour of duty to Vietnam.
1968年，他接到第二个调令去了越南。
That is our sacred trust with all who serve -and it doesn't end when their tour of duty does.
这是我们对服役人员的神圣职责，他们的付出不息，我们的职责不断。
He is believed to have had serious reservations about the upcoming tour of duty in a Muslim nation.
VOA : standard.2009.11.10
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.
VOA : standard.2010.03.08
Robert Mood of Norway, whose tour of duty ended Friday, the mission's website said.
They have served tour after tour of duty in distant, different and difficult places.
WHITEHOUSE: President Obama at Fort Hood: "Greatness Before Our Very Eyes" | The White House
Some of you, this is your second or your third or your fourth tour of duty.
WHITEHOUSE: President Obama��s Surprise Visit to Afghanistan