Gōngrén men zhèngzài duì dàlǐshí dìbǎn jìnxíng pāoguāng.
Workers are polishing the marble floor.
Zhèzhǒng cáiliào jīngguò pāoguāng hòu fēicháng guāngliàng.
This material becomes very shiny after polishing.
Tā bǎ jièzhi ná qù pāoguāng, ràng tā huànrányīxīn.
She took the ring to be polished to make it look brand new.
