这类化合物可能有助于保护壁虎脚趾上的细微毛发，这也印证了这些毛发从来没有磨损的痕迹。
These compounds may help protect the delicate hairs on the gecko's toes, as the hairs never showed any signs of wear.
想到月球表面上的东西一点都没有磨损，使人非常奇怪。
It's strange to think that nothing wears away on the moon's surface.
条件：一种新的、未使用过的物品，完全没有磨损迹象。
Condition: a new, unused item with absolutely no signs of wear.
条件：一种新的、未使用过的物品，完全没有磨损迹象。
Condition: a new, unused item with absolutely no signs of wear.
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