词根词缀：helo- (marsh)

【来源及含义】Greek: marsh, marshland

【同源单词】helobious, helodad, helodric, helogadophilous, helohylophilous, helolochmophilous

词根词缀：marsup-

【来源及含义】Greek: pouch, purse

【同源单词】marsupia, marsupial, Marsupialia, marsupium