appearing or taking place every two weeks or twice a week 每两周(的),两周一次(的);一周两次(的) [as adj.]a biweekly bulletin. 一周两次的新闻简报。 [as adv.]she followed her doctor's instructions to undergo health checks biweekly. 她听从医生的指导,每两周做一次健康检查。
(pl. -ies)
a periodical that appears every two weeks or twice a week 双周刊;周双刊