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round turning tool圆头车刀round shape trough圆形走线槽round-up meeting年终总结会round construction围护结构round trip message往返通信round hollow steel圆形中空钢round straight bar等直圆杆round-robin test校对试验round sharp needle员利针, 圆利针round straightener圆钢矫直机