磨光磨光形容钻石的表面平滑程度如果打磨手工上乘钻石就拥有优质磨光
Polishing: Polishing describes the smoothness of a diamond's surface. If the diamond is exquisitely polished by hand, it will have an excellent polishing quality
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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