yán / jiū / rén / yuán / jiè / zhù / wēi / suō / jiāo / juǎn / chá / yuè / le / jǐ / shí / nián / qián / de / bào / zhǐ

研究人员借助微缩胶卷查阅了几十年前的报纸。

The researchers used microfilm to consult newspapers from several decades ago.