adj.未磨光的;无光泽的;未磨练的;粗鲁的;
例句:
Afternoon lowers on evening ; the sky is the color of unpolished silver.
下午渐去,薄暮来临; 天空是暗银色.
Even in this unpolished form the content of the letter is clear.
尽管翻译的很糟糕,但是信中的内容是清楚地.
The top visible surface of the keys should be unpolished.
键顶的可视表面应该是无光泽的.