《新唐书·列传·卷二十五》
班师回朝时，走到辽泽，连绵两百里，全是泥沼，不能通行，阎立德筑路架桥，没有耽误行军。
师还，至辽泽，亘二百里，淖不可通，立德筑道为桥梁，无留行。
When the army returned, they reached the Liao Marsh, which extended for over 200 miles. It was a muddy swamp and could not be passed. Yan Liben built roads and bridges, and the army was not delayed.
<s>[INST] 将以下英文转换为文言文: When the army returned, they reached the Liao Marsh, which extended for over 200 miles. It was a muddy swamp and could not be passed. Yan Liben built roads and bridges, and the army was not delayed. [/INST] 师还，至辽泽，亘二百里，淖不可通，立德筑道为桥梁，无留行。</s>
将以下英文转换为文言文: When the army returned, they reached the Liao Marsh, which extended for over 200 miles. It was a muddy swamp and could not be passed. Yan Liben built roads and bridges, and the army was not delayed.
user
师还，至辽泽，亘二百里，淖不可通，立德筑道为桥梁，无留行。
assistant