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n.[矿业]过度磨碎；研磨过细，研磨过度
1、grinding───adj.无休止的；（状态）难熬的；刺耳的
2、grinding music───磨人的音乐
3、grinding stones───磨石；砂轮
4、grinding shop───研磨车间
5、grinding stone───[粮食]磨石；磨石砂轮
6、back grinding───反磨
7、grinding games───磨球游戏
8、grinding df───研磨df
9、grinding halt───戛然而止
1、As the grinding goes on, the pieces get small. Over a long time, tiny grains of sand are made.───在风浪的冲刷下，这些碎粒被磨得越来越小，很久以后就形成了很小的沙粒。
2、Researchers surmise that over billions of years the debris should collide, grinding the KBO-type objects down to ever smaller pieces that were not part of the original Kuiper Belt population.───研究人员推测数这些碎块经过数十亿年的互相碰撞，柯伊伯型天体磨得更碎，柯伊伯带原始状态不再。
3、If so, the mortgage crunch will be a grinding drag on America's economy; one that unfolds over several years, hitting some people and some regions hard, but not, in itself, a macro-economic disaster.───如果这样的话，贷款危机是美国经济的一大拖累；这会在几年内展现，对一些人和地区造成沉重的打击，但本身不会是一次宏观经济的灾难。