The tour guide pointed out a narrow loophole where archers once watched for enemy ships.

導遊指著一個狹窄的射孔，說弓箭手以前就是從那裡監視敵船。

Our travel brochure features a photo of sunlight streaming through an old castle loophole.

我們的旅遊手冊收錄了一張陽光從古堡射孔灑進來的照片。

During the team retreat, employees took turns peering through the fortress loopholes at the valley.

員工旅遊期間，同事們輪流從要塞的槍眼往外眺望山谷。