Völkerwanderung(mass migration of Germanic people in Europe during the early Middle Ages) noun
歐洲民族大遷徙proper noun
Migration Period(mass migration of Germanic people in Europe during the early Middle Ages) proper noun [UK: maɪ.ˈɡreɪʃ.n̩ ˈpɪə.rɪəd] [US: maɪ.ˈɡreɪʃ.n̩ ˈpɪ.riəd]