polythene /'pɔli,θi:n/ ★☆☆☆☆ 📖 中文释义 n. 聚乙烯[化] 聚乙烯 🔗 释义中的汉语词 聚乙烯 📘 English Definition(英文释义) n a lightweight thermoplastic; used especially in packaging and insulation ← polythelism P 字母词表 polythiaether →