circularsn.街招；通告；传单名词circular的复数形式.circularadj.圆形的；循环的n.传单；通报circular holes圆孔circular tunnel圆形隧洞circular bubble圆水准器circular matrix循环矩阵circular recess圆形槽circular pallet等臂式叉瓦circular course圆形水道circular stairs螺旋楼梯circular fibers睫状肌环状纤维circular symbol循环符号, 再现符号