refinev.精炼;改进;使更文雅
refined plaster精石膏
Refined bismuth精铋
refined diction辞采
refiner segment磨片
refined culture雅文化
refined uranium铀的提炼
Refined Rhubarb大黄提取片
refined asphalt精制沥青
refine the rule禁忌
refined wool fat精制羊毛脂