岗楼

例句：

1. 1. Thesoldiers stood guard at the watchtower.
   士兵们在瞭望塔站岗。
2. 2. Theold man sat by the lookout tower, watching the sunset.
   老人坐在瞭望塔旁，看着日落。
3. 3. The militarysent a team to repair the damaged watchtower.
   军方派出一个小组来修复受损的瞭望塔。