circularadj.圆形的；循环的n.传单；通报circular kiln环形窑,圆筒式干燥炉circular hole圆孔circular wait循环等待Circular arcs圆弧曲线circular horn圆喇叭circular rope圆型粗索圆型电缆circular seam环缝circular path环路circular gear圆柱齿轮circular flow循环流,循环流动