三角腹带 sānjiǎofùdài athletic supporter Definitions Defs Origin Strokes Stroke Words Sentences Sents 三角 sānjiǎo noun triangle a shape with three sides and three angles; an object in the shape of a triangle腹带 腹帶 fùdài bellyband a band worn around the waist or belly, such as a binder used for support after surgery or during pregnancy