noun🔗Share敷石, 玉石A rounded stone from a river bed, fit for use as ballast in ships and for paving roads."The old road was paved with smooth cobblestones, making it bumpy but charming. "古い道は滑らかな敷石で舗装されており、でこぼこですが魅力的でした。materialgeologyarchitecturenauticalbuildingChat with AIVocabulary GamePractice Reading
noun🔗Share石畳The material made from cobblestones."The path to school was paved with cobblestone, a hard, gray material. "学校への道は、硬くて灰色の石畳で舗装されていました。materialbuildingChat with AIVocabulary GamePractice Reading
