词根词缀：fusc-
【来源及含义】Latin: dark, to make dark; brown, tawny
【同源单词】bilifuscin, fuscin, fuscine, fuscous, infuscate, infuscated
词根词缀：ob-3
【来源及含义】Latin: across, over, upon
【相关描述】Before c, ob- becomes oc-; before f, ob- becomes of-; before g, ob- becomes og-; before p, ob- becomes op-; before m, ob- becomes o-