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单词 polypropylene
释义
N24265279polypropyleneSpoken.6Fiction.18Magazine.114Newspaper.25Academic.116

polypropylene

/ˌpɒlɪˈprəʊpɪliːn/
noun
mass noun
a synthetic resin which is a polymer of propylene, used chiefly for films, fibres, or moulding materials
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