What makes up a rope? Of course you know, ropes are basically bundles of fibers, very same fibers that have been woven together in a certain way.

绳子是由什么构成的？，你肯定知道，是由一束束纤维构成，是由一样的纤维按某种方式编织,在一起构成。

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But the interesting thing is the fibers themselves aren't actually all that long.

但有意思的是，那些纤维,其实并没有那么长。

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It blocks motor neurons from affecting muscle fibers.

它能阻碍运动神经元对肌肉纤维的支配

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Or even if some fibers did, most of the fibers don't.

即使有一些可以，大多数纤维,都做不到。

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