"Polish" Natural Recordings by Native Speakers
To polish something means to make it shiny or reflective by rubbing it with a material such as wax or varnish, or to clean or make something smooth. To polish also means to improve or perfect something, often by practising or rehearsing it. For example, you might polish a floor to make it shine, or polish your English language skills by practising speaking.
"Polis" refers to a city or a state, often in the context of ancient Greek history or philosophy. It can also imply a sense of community or a centralized government. In etymology, it is related to the Greek word for "city" or "state".