quarterly
/ˈkwɔ:təlɪ; `kwɔrtɚlɪ/ adj, adv produced or occurring once every three months 季度的, 按季度（每三个月一次）
I receive quarterly bank statements. 我每三个月都收到一份银行结单.
Subscriptions should be paid quarterly. 订费按季度交付. quarterly, n periodical published four times a year 季刊.