词根词缀：anseri-, anser-

【来源及含义】Latin: geese [as well as swans and ducks]

【同源单词】anser, anserated, anseres, anseriform, Anseriformes, Anserinae

词根词缀：merg-, mers-

【来源及含义】Latin: dip, dive, plunge; rise out of a liquid; combine into one

【同源单词】demersal, emerge, emerge, emergence, emergency, emergent