名詞 feudalism:

1. the social system that developed in Europe in the 8th century; vassals were protected by lords who they had to serve in war
   同義詞：feudal system

1. Down with feudalism!
   打倒封建主義！

feu.dal.ism

n.Abbr. feud.（名詞）縮寫 feud.
A political and economic system of Europe from the 9th to about the 5th century, based on the holding of all land in fief or fee and the resulting relation of lord to vassal and characterized by homage, legal and military service of tenants, and forfeiture.
封建主義：歐洲從9世紀到大約5世紀建立在以封地采邑的形式占有全部土地，及由此而建立的領主與封臣的關系基礎上的政治經(jīng)濟體系，以佃農(nóng)的效忠、服兵役以及沒收財產(chǎn)為特征
A political, economic, or social order resembling this medieval system.
封建主義：一種類似這種中世紀體制的政治、經(jīng)濟或社會秩序

【引伸】
feu.dalist
n.（名詞）
feu.dalis.tic
adj.（形容詞）