Taking passage on the first steamer that arrived, he pursued his journey up Red River, a sluggish, winding stream, flowing through a vast region of primitive forests and impenetrable swamps, almost wholly destitute of inhabitants.
他乘坐第一艘到达的轮船, 沿着红河继续他的旅程,红河是一条缓缓蜿蜒的溪流, 流经一片广阔的原始森林和不可逾越的沼泽地,几乎完全没有居民。