单词	polyethylene
释义	polyethylene /ˌpɒlɪˈɛθɪliːn / noun Another term for polythene.Examples of linear polymers include polyethylene, polyvinyl chloride and polypropylene.... Synthetic resins are made by man using modern chemical technology such as the polyethylene and polystyrene used for cosmetics, packaging, etc. The film is based on a combination of nanoscale crystals developed using technical waxes and a polymer such as polyethylene or polypropylene.
随便看	off the scale off the shelf off the shoulder off the top of one's head off the wall off the wind off time off-topic off-track off-trade off-trail offuscate offuscated offuscation off-verse offward off-white off-width off-world off-worlder offy off year Ofgem of good cheer oficina

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