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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	command command and control commandant command chain command-driven command economy commandeer commander commander-in-chief Commander of the Faithful commandership commanding commandingly command language command line command line interface commandment command module commando commando knife Command Paper command performance command post command sergeant major comme ci, comme ça

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