They might be a couple of inches, or most footers so-- and so no single fiber stretches all the way across the room.

它们可能就几英寸,或者最多几英尺-,所以没有一根纤维可以单独,横跨整间屋子。

耶鲁公开课 - 死亡课程节选

Because it came from optics, you know, rays of sunlight and so on And in fact, even when we first started pulling synthetic fiber, the first synthetic fiber cellulose was referred to as ray on, because it looked like a ray that was being pulled.

因为它源自光学，比如太阳光线等等,实际上，及时当我们首先开始抽出,人造纤维，第一根人造纤维的纤维素,叫做光线，因为那条在被抽出的纤维素,看起来像是一道光线。

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