circularlyadv.圆地；圆形地；循环地circularadj.圆形的；循环的n.传单；通报circular trench环钩circular screen圆孔筛板,圆形格筛circular beacon全向无线电指向标circular shears圆盘剪床,开圆盘剪切机,圆盘式剪断机circular ticket环游车票circular target圆形靶标circular chaser圆形螺纹梳刀circularization通函询证circular region圆域circular shaker圆振筛