词根词缀：branchio-, branchi-

【来源及含义】Greek: gills

【同源单词】abranchial, abranchiate, Branchiosaurus, calyptobranchiate, cryptobranchiate, inferobranchiate

词根词缀：calypto-, calypt-

【来源及含义】Greek: covered, cover; hide, hidden; conceal, concealed

【同源单词】apocalypse, apocalypst, apocalyptic, apocalyptic literature, apocalyptic number, apocalyptical