Paper seems completely harmless, but deployed properly, it can be a serious weapon: paper cuts are just the worst.
纸看起来无害,但合理使用的话,它也能成为犀利的武器:最严重的状况就是被纸割伤。
It’s all to do with nerve endings. To start with, there are lots more pain receptors embedded in your fingertips than almost anywhere else in your body. So while a paper cut on your arm, or thigh, or ankle might still be annoying, it would probably be more trivial than the intense fiery quality that finger-based paper cuts tend to have.
这跟神经末梢有关。首先,指尖的痛觉感受器比其他任何身体部位要多得多。所以,虽然纸割伤胳膊、大腿、脚踝也很疼,但也要比割伤手指那种火辣辣的疼痛感要轻得多。
This actually makes a good deal of evolutionary sense. Fingertips are how we explore the world, how we do small delicate tasks. So it makes sense that we have a lot of nerve endings there. It’s kind of a safety mechanism.
这其实是非常符合进化论的。我们用指尖来探索世界,做精细工作,所以指尖就该有很多神经末梢,这是一种安全机制。
To the naked eye, it might seem as if a paper's edge is fairly straight and smooth. But if you were to zoom in, you’d find that paper is more akin to a saw than to a blade.
肉眼看着好像纸的边缘很直很平,但如果你放大看,会发现纸更像锯而非刀片。
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