水平轴 shuǐpíngzhóu horizontal axis Definitions Defs Origin Strokes Stroke Words Sentences Sents 水平 shuǐpíng adjective horizontal level or flat; parallel to the ground or the surface of still water and perpendicular to a vertical line轴 軸 zhóu noun axis axis; a central line that bisects a body or around which a body or figure is symmetrical