But celluloid, which had developed a reputation as a cheap mim-ic of better traditional materials, was derived from chemically treated cotton and other cellulose-containing vegetable matter.

• 众所周知，赛璐璐虽价格低廉，能仿制质量较好的传统材料，它却是取自化学处理的棉花和别的含有赛钱璃纤维素的蔬菜之中。