自然磨损
zì rán mó sǔn
- wear and tear
自然磨损-
大型养路机械如钢轨打磨列车的出现，有效地改善了钢轨自然磨损带来的危害、减缓了钢轨性能恶化速度。
Large scale road maintenance machine like rail grinding train can improve the damage caused by natural wear and slow down the worsen speed of the rail .
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史蒂夫·乔布斯的“现实扭曲力场”理论虽然推进了苹果帝国的发展，但是它并依然不能阻止一块皮革质手表表带的自然磨损。
Steve Jobs ' " reality distortion field " helped propel an empire , but it couldn 't keep a leather wristwatch band from showing some serious wear .
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随着细胞的衰老，其端粒自然也会磨损和缩短。
As a cell ages , its telomeres naturally shorten and fray .