详细解释:a. 刺耳的, 沉重的, 剧烈的
【化】 研磨; 磨碎
【医】 磨
英语解释：
名词 grinding:
matter resulting from the process of grindinga harsh and strident sound (as of the grinding of gears)the wearing down of rock particles by friction due to water or wind or ice同义词：abrasion, attrition, detrition