专业英语accordion手风琴activation活化(作用)additionpolymer加成聚合物,加聚物aggravate加重,恶化agitation搅拌agrochemical农药,化肥Alfincatalyst醇(碱金属)烯催化剂align排列成行aliphatic脂肪(族)的alkalimetal碱金属allyl烯丙基aluminumalkyl烷基铝amidation酰胺化(作用)amino氨基,氨基的amorphous无定型的,非晶体的anionic阴(负)离子的antioxidant抗氧剂antistaticagent抗静电剂aromatic芳香(族)的arr...