复数：monthlies
1.每月的；每月一次的happening once a month or every month
2.按月结算的；有效期为一个月的paid, valid or calculated for one month
1.每个月；每月一次every month or once a month
1.月刊a magazine published once a month
1.每月的;每月一次的;按月的
1.每月一次,每月
1.月刊;月经
1.happening or published once a month
2.relating to a single month
1.a magazine published once a month
monthliesmonthliesmonthlies