R 开头单词
regular service 定期航行；[贸易] 定期服务；正常业务
regular season 常规赛；季赛
regular script dictionary [语言学]楷书字典
regular school 正规学校
regular savings 定期储蓄
regular regeneration [生物学]正常再生
regular reflection [光] 规则反射，单向反射；常规反射；正反射
regular quadratic space [数学]正则二次空间
regular procedure [管理] 正规手续
regular price [物价] 正常价格
regular practice 习惯做法
regular polygon [数] 正多边形；正多角形
regular player 基本演员
regular physical exercise [体育]规律运动
regular periodicity [数学]规则周期性
regular pentagon [数] 正五边形