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。
But MND is relentless in its grinding down of both patients and those close to them, and it's a shock from which it is not easy to recover.
但是MND无情的折磨着患者的同时，也使他们身边的人痛苦不堪，尤其打击人的是它是很难康复的。
my first Saturday job was as a butcher's boy, sanding down the blocks, cleaning the walls and grinding the mince.
因为我的第一份业余工作就是给一个屠夫打下手，沙下肉块，清理墙壁，研磨肉糜。
So the object goes down, the velocity changes and when it is at position minus one it has come to a grinding halt and now it is returning.
因此物体向下运动时，速度是变化的,当它到达位置-1时,会猛的停下,然后返回。
Likely cause: Known as bruxism, teeth-grinding varies from jaw clenching to ferocious grinding that wears teeth down to stumps. It is usually due to genetics or stress.
可能的诱发原因：虽说都叫磨牙症，但磨牙的情况各不相同，从牙关紧闭到疯狂磨牙直到牙齿只剩残根。磨牙通常是由遗传或压力造成的。
Finally, a remarkably improved transmission performance of the EG-FPF is obtained by thinning the substrate down to a suitable thickness range through well-controlled grinding and polishing.
最后，在实验上通过对衬底的研磨和抛光，将其减薄到一定的厚度范围内，从而使得该滤波器的传输性能得到极大改善。
Grinding tea, Hakka people's traditional tea custom, has come down to us as Chinese tea custom from ancient times.
擂茶是中国客家人的传统饮茶习俗，也是中国古代饮茶习俗的延续。
Grinding tea, Hakka people's traditional tea custom, has come down to us as Chinese tea custom from ancient times.
擂茶是中国客家人的传统饮茶习俗，也是中国古代饮茶习俗的延续。
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