happening or needed during a particular season; varying with the seasons 季节性的；随季节变化的 seasonal workers brought in to cope with the Christmas period 为应付圣诞节期间的业务而招聘的临时工 seasonal variations in unemployment figures 失业统计数字的季节性变化
typical of or suitable for the time of year, especially Christmas 节令性的；适应节日需要的；（尤指）圣诞节的 seasonal decorations 圣诞节装饰品