keelboat

名词 keelboat:

1. river boat with a shallow draught and a keel but no sails; used to carry freight; moved by rowing or punting or towing

keel.boat

n.Nautical （名词）【航海】
A riverboat with a keel but without sails, used for carrying freight.
运货船：一种运货的河流用船，有龙骨但无帆