Instead of 27 hours on tower guard duty, he's reading Arthur's Back to School Day.

他终于可以不用在瞭望哨里面值勤27小时了，而是手捧阿瑟的《回归学校的日子》，美美地阅读起来。

youdao

Each corner had a guard tower, each of which was exactly ten metres in height.

每个角都有1个警戒塔，每个塔刚好10米高。

《柯林斯英汉双解大词典》

There's a Coast Guard building and a tall trade tower, as well as a park, golf course and university.

这里有一个海岸警卫队大楼和一座高耸的贸易塔楼，还有一个公园、一个高尔夫球场和一所大学。

youdao

But behind her is the guard tower.

NPR: NYU Exhibits 'Yellow Peril' Collection

But what I'm simply doing is explaining to you a series of facts that include the notion that if somebody was confused about whether or not somebody was on a list at a guard tower on the exterior perimeter of the White House, and there was a question, generally somebody could pick up the phone and ask.

WHITEHOUSE: Press Briefing

The prize for poetry went to Native Guard by Natasha Trethewey and the general non-fiction award went to The Looming Tower, a best-selling investigation of the 11 September terrorist attacks on America by Lawrence Wright.

BBC: NEWS | Entertainment | Novelist McCarthy wins Pulitzer