unpolished基本解释
adj.未磨光的;无光泽的;粗糙的;粗鲁的
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adj.未磨光的;无光泽的;粗糙的;粗鲁的
adj.未磨光的;无光泽的;粗糙的;粗鲁的
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"dull unpolished shoes"
"too gauche to leave the room when the conversation became intimate"
"their excellent manners always made me feel gauche"