That time included two tours of duty in Afghanistan.

其中包括在阿富汗的两个服役期。

After that, he enlisted in the army, serving two tours of duty in the Middle East.

在那之后，他应征入伍，在中东服了两次兵役。

He served five tours of duty in Afghanistan without serious injury to his body. However, his mental health suffered.

他曾在阿富汗服役五次，身体未受重伤。然而，他的精神健康受到严重损害。

But I was doing a tour of duty for the Department of Defense singing for the troops around the world.

但我当时正在为国防部执行任务，为世界各地的军队唱歌。

Well, it turns out our new babysitter isn't working out too well. You feel up to another tour of duty?

我们新请的保姆表现不太好。你还想再干干活吗？

You feel up to another tour of duty?

你还想再干干活吗？

They began a one-year term of service aboard the International Space Station, the longest tour of duty ever served on the ISS.

他们开始在国际空间站上服务一年，这是国际空间站上服役时间最长的一次。

Rubio's tour of duty would be historic as it would surpass the previous American record which is 355 days set just last year.

卢比奥的任务将是历史性的，因为他将超过美国去年创下的355天的纪录。

The search is currently on for the eighth actor to play 007. Whoever is chosen for the part may do it for a long time; Daniel Craig's tuxedo-clad tour of duty lasted 15 years.

目前正在寻找第八位扮演007的演员。 无论谁被选中扮演这个角色， 都可能会做很长一段时间；丹尼尔·克雷格 (Daniel Craig) 身着燕尾服的服役生涯持续了 15 年。