在这样的肌肉中有一部分肌纤维兼受快肌和慢肌两种神经支配。
In such muscles there were a proportion of muscle fibres doubly innervated by both fast-and slow-muscle nerves.
或者，你可以选两段困难度相当的段落，在结束前，一段快弹，另一段慢弹，然后隔天比较它们的差异。
Or you can practice a passage fast only and another passage (of the same difficulty) slowly at the end and compare them the next day.
世上没有任何一种动物，跑得比时间和生命快，赛过光阴的不是速度，而是爱情在两个灵魂之间的慢舞。
There is no any kind of animal, run faster than time and life, better than the time is not the speed, but slow dance of love between two souls.
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