roundingn.舍入；凑整动词round的现在分词形式.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rounding off error舍入误差round cylinder bur圆柱型牙钻round feeler gauge带测圆部分的塞尺round-head screw[机] 圆头螺钉round weave casing原织水带外层round-bodyneedle圆体针Round-eared batsn.圆耳蝠属roundheaded window圆头窗round bordered pit[医] 圆形缘纹孔round microchannel圆形微通道