rounduren.圆roundadj.圆的；球形的；丰满的；完整的；整数的；不确切的；大量的；坦率的；严厉粗暴的adv.环绕地；周长；调转方向；依次；到某处prep.围绕；在另一侧；四处n.一局(轮)；常规活动；巡视；圆形物；(由一人给大家买的)一巡饮料；一整片面包；一阵(掌声)；一发(子弹)v.绕行；弄圆；使成为整数round processing machine圆面加工机round-edge lathe wheel圆边打磨机磨轮round-likely roundness类球形Round Cornered Extension圆形裤头搭咀round-off accumulating尾数四舍五入的累加数,舍入误差累加round-edged set hammer圆边击平锤round head carriage bolt圆头螺钉round-edged steel flat圆边扁钢round-log construction圆木构造Round-stick workpieces圆棒工件