That membrane proceeds to wrap over the nerve fiber with machinelike precision, spiraling down to create the distinctive sausage shape, tightening itself over the fiber like a threaded nut.
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- 这层隔膜就象机器操作那样的精确包裹在神经纤维上,并旋转缠绕成特殊的香肠形状。就象螺母那样紧紧地包在神经纤维上。