R 开头单词

round on vt. 告密）；突然生气地责骂（反驳

round off number 取整数 舍入数

round off error 舍入误差

round off 完成；使完美；把…修圆磨光；圆满结束

round of golf

round of drinks

round nut 环形螺帽；[机] 圆螺母

round nose chisel [交通运输工程]圆头凿[经济学]圆口凿

round needling [纺织科学技术]环型针刺机

round midnight

round kyphosis [医药科学]脊柱弓状后凸

round kumquat

round iron bar [经济学]圆铁条

round into v. 成长为

round in shape 圆形的

round in 牵索；拉绳

round head machine screw [经济学]圆头机器螺丝[机械工程]圆头机器螺丝

round head

round hand

round goby