zhè / dòng / lǎo / lóu / lǐ / hái / bǎo / liú / zhe / jǐ / shí / nián / qián / de / bái / chì / dēng

这栋老楼里还保留着几十年前的白炽灯。

This old building still retains incandescent lamps from decades ago.