1. He is currently on a duty tour in Southeast Asia.
他目前正在东南亚执行公务。

2. The officer completed his duty tour in the region.
该军官完成了他在该地区的服役期。

3. Their duty tour is scheduled to end next month.
他们的任务周期预定于下个月结束。

A: Are you coming home next week?
A：你下周回家吗？

B: No, my duty tour has been extended by two weeks.
B：不，我的公务执行期延长了两周。

1) 指执行特定任务的任期

2) 指在特定岗位上的工作周期

3) 指因公务而进行的巡视或访问

1. 职责期间；服役期

e.g.
The officer's duty tour.
该军官的服役期

noun

1. A period of time spent performing a specific assignment or duty, often involving travel or relocation.