The river was too shallow here, so we had to portage our canoes overland for a while.

portage 是名词，来自法语，指"陆上搬运"或"水陆联运"。在划船运动中特指"将船只从一处水域搬运到另一处水域的陆路运输过程"。这个词常用来描述独木舟或皮划艇在遇到浅滩、急流等无法通行的水域时需要进行的陆地搬运行为。