a.rab.i.nosen.(名词)A crystalline pentose sugar, C5H 0O 5, obtained from plant polysaccharides such as gums and hemicelluloses. 树胶醛醣;阿戊糖:一种结晶的戊醣,C5H 0O 5,从植物的多醣类中得到,如树胶及半纤维素 来源:(gum) arab(ic) (gum) arab(ic)-in -in-ose 2-ose2