Nelson picked his way along the tunnel, stepping around piles of broken stone and lumps of coal tumbled like black dice across the dusty floor.
Nelson沿着隧道小心前行，绕过成堆的碎石和许多块像黒骰子般滚落到粉尘地上的煤炭。
2
His narrowed eyes took in the open sweep of the quiet grounds, the pagoda-like monastery itself, and the stone buildings that tumbled down around it like a protective skirt.