monthlyadj.每月的；一个月有效的；每月发生的adv.每月；按月n.月刊n.(复数）monthlies:月经monthly account月账monthly journal月刊monthly premium每月保险费monthly closing月结monthly magazine月报monthly nutation周月章动monthly turnover每月成交量monthly gas load燃气月度负荷monthly sickness[医] 月经, 行经monthly interest月利息