圆周运动 yuánzhōuyùndòng circular motion Definitions Defs Origin Strokes Stroke Words Sentences Sents 圆周 圓周 yuánzhōu circumference; circle the perimeter or boundary line of a circle; the locus of points in a plane at a fixed distance from a center运动 運動 yùndòng verbnoun movement movement; motion; the change of position of an object in space
