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.

这膜机器操作那样的精确包裹在神纤维上，并旋转缠绕成特殊的香肠形状。母那样紧紧地包在神纤维上。