feudalism

/fˈjudəˌlɪzəm/

the social system that developed in Europe in the 8th century; vassals were protected by lords who they had to serve in war

中文释义：封建制度；封建主义

Feudalism in medieval Europe was characterized by a hierarchy of lords and vassals.

中世纪欧洲的封建制度以领主和封臣的等级制度为特征。

The decline of feudalism in the 14th century was accelerated by the Black Death.

14世纪封建制度的衰落因黑死病而加速。