polybutene /,pɔli'bju:ti:n/ 📖 中文释义 n. [高分子] 聚丁烯;聚异丁烯(润滑油) 📘 English Definition(英文释义) n a polymer of butylene; used in lubricants and synthetic rubber ← polybutadienes P 字母词表 polybutylene →