unpolished
US /ˌʌnˈpɑːl.ɪʃt/
UK /ˌʌnˈpɑːl.ɪʃt/
1.
chưa được đánh bóng
Something that is unpolished has not been rubbed using a piece of cloth, a brush, or a machine to clean it and make it shine:
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Prices for rough, unpolished diamonds have increased this year.