Dayal达亚尔dayn.白天；一天；时代day-rate contract[经] 计日制合同day nursery service日间托儿服务Dayantang landslide大岩淌滑坡day after flowering花后天数day-light roofing采光顶屋面day-night rhyrthm昼夜节奏day-to-day test每天试验day-date-modulen.双历组件Dayananda Sarasvati达耶难陀·娑罗室伐底(1824-83),印度人,苦行者、社会改革家。day-to-day life日常生活