Sentence Translation B. Translate the following underlined sentences into English.塑料瓶的主要材料一般是PP (聚丙烯)及少量的PET (聚对苯二甲酸乙二醉酯) 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。
THE USE OF WASTE PLASTIC BOTTLES AS TEXTILE MATERIAL TO MAKE CLOTHES IS A COMPLICATED PHYSICAL AND CHEMICAL PROCESS.
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