异戊橡胶 Traditional 異戊橡膠 yì wù xiàng jiāo 🔊 isoprene rubber + Keep this word Meanings yì wù xiàng jiāo 異戊橡膠 isoprene rubber Its characters 异yìdifferent戊wùfifth of the ten Heavenly Stems 十天干[shi2…橡xiàngoak胶jiāoto glue