1 N-VAR (船舶的)吨位 The tonnage of a ship is its size or the amount of space that it has inside it for cargo. (船舶的)吨位 [technical]

2 N-VAR 总吨数;总重量 Tonnage is the total number of tons that something weighs, or the total amount that there is of it. 总吨数;总重量