[TOP]polypropylene poly·pro·pyl·ene / ˌpɔliˈprəupəli:nʃOŋð>; <ɪ style="color:#62081f">ŋæməɪ> <ʃOŋð color="#ˌdˌdˌd">ˌpɑ:liˈprou-ʃOŋð> / noun əu] a strong plastic often used for objects such as toys or chairs that are made in a mould  聚丙烯 [TOP]polypropylene poly·pro·py·lene / ˌpɑlɪˈpropəlin ; ˌpɔlɪˈprəʊpəli:n / noun [U] 1. a hard light plastic material 聚丙烯 [TOP]polypropylene
1.N-UNCOUNT 不可数名词 聚丙烯Polypropylene is a strong, flexible artificial material that is used to make things such as rope, carpet, and pipes.