noun🔗Share下部構造, 基盤The supporting part of a structure (either physical or organizational; the foundation)."The school's substructures, including the foundation and supporting walls, were reinforced during the summer renovation. "夏の改修工事中に、学校の基盤と支持壁を含む下部構造が補強されました。structureorganizationpartbuildingChat with AIVocabulary GamePractice Reading
noun🔗Share路盤、道床The earth or gravel that the railway tracks are embedded in."After the heavy rains, engineers inspected the substructures of the railway line for any signs of erosion that could cause a derailment. "大雨の後、技術者たちは脱線を引き起こす可能性のある浸食の兆候がないか、鉄道線の路盤を検査しました。materialgeologystructurebuildingtechnicalChat with AIVocabulary GamePractice Reading
