标砖 biāozhuān keystone Definitions Defs Origin Strokes Stroke Words Sentences Sents 标砖 (標磚) biāozhuān keystone the central brick or stone at the top of an arch that holds the structure together marker brick a brick used as a reference point for alignment or leveling in building construction Sources Definitions CC-CEDICT
标砖 (標磚) biāozhuān keystone the central brick or stone at the top of an arch that holds the structure together marker brick a brick used as a reference point for alignment or leveling in building construction Sources Definitions CC-CEDICT
