汉语翻译：
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。

详细解释：
ret.ro.spec.tive
adj.（形容词）
Looking back on, contemplating, or directed to the past.
回顾的：追思、沉思或引向过去的
Looking or directed backward.
向后看的：向后看或向后指引的
Applying to or influencing the past; retroactive.
溯及既往的：用于或影响过去的；溯及以往的
Of, relating to, or being a retrospective:
基于回忆的：属于、有关或作为回顾的：
例句：
a retrospective art exhibition.
一个回顾艺术展
n.（名词）
An extensive exhibition or performance of the work of an artist over a period of years.
作品回顾展出：一个艺术家在一段时间内的作品的全面展览或展示
【引伸】
ret.rospec.tively
adv.（副词）

retrospective