楔石 xiēshí keystone Definitions Defs Origin Strokes Stroke Words Sentences Sents 楔石 xiēshí keystone the central stone at the top of an arch that locks the other stones in place Cross-References Classifier 块 kuài
楔石 xiēshí keystone the central stone at the top of an arch that locks the other stones in place Cross-References Classifier 块 kuài
