He says feathers are much stronger and last longer than another plant material, cellulose.

VOA: special.2010.06.01

Then the polysaccharides are the complex carbohydrates, and that's starch, glycogen, and cellulose.

多糖则是复杂的碳水化合物,淀粉,糖原,以及纤维素都是多糖

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

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。

麻省理工公开课 - 固态化学导论课程节选

You see the lactose of course from milk, and then when you get down to the cellulose, and we're talking about starches and then fiber gets involved in here too, then cereals and vegetables become the primary source of these.

你们知道乳糖来自于乳类,当你研究纤维素的时候,以及我们在这里所说的淀粉和纤维,他们最主要的来源是谷类和蔬菜

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选