详细解释:a. 回顾的, 怀旧的, 在后面的
n. 回顾展
【法】 溯及既往的, 有追溯效力的, 追溯的
词型变化：
副词:retrospectively英语解释：
名词 retrospective:
an exhibition of a representative selection of an artist's life work形容词 retrospective:
concerned with or related to the past例句：
The legislation was made retrospective.该项法规具有追溯效力。