eucalynWiktionary 原文构词拆分eucalyptus词根/词干+-in后缀(biochemistry) Used, as a modification of -ine, to form the names of a variety of types of compound; examples include proteins (globulin), carbohydrates (dextrin), dyes (alizarin) and others (vanillin).词源说明From eucalyptus + -in?释义（英文）名词 Noun(obsolete, organic chemistry) An unfermentable saccharide obtained from eucalyptus or by the decomposition of melitose.