base.mentAHD:[b3s“m…nt]D.J.[6beism*nt]K.K.[6besm*nt]n.(名词)The substructure or foundation of a building.建筑物的基础、根基The lowest habitable story of a building, usually below ground level.地下室:可居住的最低的建筑物楼层,通常在地平面以下New England A public toilet, especially one in a school.