Our tour group walked across the old bridge over the castle fosse this morning.

我們的旅行團今天早上走過橫跨城堡護城河的古橋。

The travel brochure describes the medieval fosse as the hotel's most photographed feature.

這份旅遊手冊將中世紀的護城河描述為飯店最多人拍照的景點。

The board approved funds to clean and restore the historic fosse before the conference.

董事會核准經費，在研討會前清理並修復這條歷史護城河。