脊: spine; backbone; vertebrae r ...下: below; down; under; undernea ...道: road; way; route; path下道: lower track脊下支柱: post under ridge pole地下道: passageway to dharma temple; secret passage; subway; tunnel; underground pas sway; underground passageeway; underpass吉下道: kichigedo嘿,让一下道,让一下道,让一下道!: Make way there-make way-make way!低位地下道: low level subway地下道工程: subway construction地下道路: road tunnel; underground节下沟,节下道: infranodal canal人行地下道: pedestrian underpass上下道装置: uand down track device地水下道管线: drainage pipe路下交叉 ， 地下道: undercrossing辛亥路地下道: jianguo expressway嘿让一下道让一下道让一下道: make way there make way make way公用隧道, 公用地下道: public utility tunnel交叉道下道，地下通道: underpass旅客站台地下道: platform tunnel脊细胞: lophocyte脊线: [数学] edge of regression; line of regression脊胃流电疗法: spinogastric galvanization脊线顶点: crest line culmination脊尾鳍: lophocercous
