burnish
🇺🇸
/ˈbɜːrnɪʃ/
🇬🇧
/ˈbɜːnɪʃ/
to make metal smooth and shiny by rubbing it
She decided to burnish her grandmother's brass candlesticks to make them shine brightly once again.
彼女は、祖母の真鍮の燭台を再び輝かせるために磨くことにしました。