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polypropylene
pɒliprɒpɪliːn ˌpɒlɪˈprəʊpɪˌliːn ˌpɑlɪˈproʊpəˌlin
N-UNCOUNT 聚丙烯 Polypropylene is a strong, flexible artificial material that is used to make things such as rope, carpet, and pipes. 聚丙烯
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