butadiene /.bju:tә'daii:n/ 📖 中文释义 n. 丁二烯[化] 丁二烯; 丁间二烯 📘 English Definition(英文释义) n. a gaseous hydrocarbon C4H6; used in making synthetic rubbers ← butadene dimer B 字母词表 butadiene copolymer →