portage
n
1 [U] (cost of) carrying goods; carriage 搬運(費); 運輸.
2 (esp US)
(a) [U] carrying boats or goods overland between two rivers, lakes, etc, eg on a canoeing trip (兩水路間的)陸運(將小船或貨物從一水域經(jīng)陸地運至另一水域之作業(yè), 如乘小劃子途中所需的).
(b) [C] place where this is done (兩水路間的)陸運區(qū)間.