polyethylene /.pɒli'eθili:n/ 📖 中文释义 n. 聚乙烯[化] 聚乙烯 🔗 释义中的汉语词 聚乙烯 🧩 词形变化 复数 polyethylenes 📘 English Definition(英文释义) n. a lightweight thermoplastic; used especially in packaging and insulation ← polyethylenamine polyethylene adipate →