音标发音英式音标 [ˌpɒl.ɪˈprəʊ.pə.liːn]美式音标 [ˌpɑː.lɪˈproʊ.pə.liːn]英式发音 美式发音 基本解释n.聚丙烯同根派生 polypropylene相关词英汉例句用作名词 (n.)The most important fiber is polypropylene.最重要的纤维是聚丙烯纤维。polypropylene更多例句英英字典剑桥英英字典 a type of plastic used for many purposes, such as food packaging, making ropes, and making artificial fabricspolypropylene剑桥字典polypropylene柯林斯字典