bimonthly
adjective, adverb uk/ˌbaɪˈmʌnθ.li/ us/ˌbaɪˈmʌnθ.li/
两月一次的;一月两次的
happening or appearing every two months or twice a month
a bimonthly publication/report 双月刊／报告
The magazine is published bimonthly, with six issues a year. 这本杂志每两月出版1期，1年6期。