土ど運うん船せんどうんせんMeanings1nounhopper bargeA vessel used for transporting and dumping dredged material, soil, or sand, often in marine construction or dredging projects.港こう湾わん工こう事じで土ど運うん船せんが浚しゅん渫せつ土ど砂しゃを運はこんでいる。A hopper barge is carrying dredged soil at the port construction site.
