retrospective相关的词根或词缀是: spectspic

复数： retrospectives

Now this is theoretical because it is based mostly on retrospective studies .

现在由于它主要根据回顾性研究，这只是个理论。

Recall bias happened because the study was retrospective rather than prospective .

发生回忆偏差是因为研究是回溯性的，而不是未来性的。

But vague threats of retrospective legislation are a terrible idea .

但是有追溯效力立法是个糟糕的主意。

Design : the authors conducted a retrospective review of prospectively collected data .

设计：作者预先收集了数据并进行回顾性分析。

Retrospective analysis on overhauling operation of artificial hip joint in aged people .

老年人人工髋关节翻修临床分析。