a naturally occurring mixture of a resin and an essential oil; obtained from certain plants
双语例句
The acrylate oil absorbing resin were synthesised by means of suspension polymerization and using divinylbenzene as crosslinking agent. 以丙烯酸酯为单体，二乙烯基苯为交联剂，采用悬浮聚合法合成低交联度的聚丙烯酸酯类吸油树脂。
