1. The soldiers carefully maneuvered across the muddy field on the duckboard.

士兵们小心翼翼地在鸭行板上穿过泥泞的田地。

2. The park installed duckboards along the marshy path to make it easier for visitors to walk.

公园在湿地小径上安装了鸭行板，以便游客更容易地走路。