原文:利用废旧塑料瓶为原料制作衣服需要经历一个复杂的物理化学过程。译文: The use of waste plastic bo

原文:利用废旧塑料瓶为原料制作衣服需要经历一个复杂的物理化学过程。
译文: The use of waste plastic bottles as textile material to make clothes needs to experience a complicated physical and chemical process.
改译:
【正确答案】：The use of waste plastic bottles as textile material to make clothes is a complicated physical and chemical process. (考点:句式结构的选择)