adj.普罗阶级的；无产阶级的
n.普罗；无产者
He is the father of proletarian literature. 他是无产阶级文学的奠基人。
We adhere to proletarian internationalism. 我们坚持无产阶级国际主义。
The serf has an assured existence, the proletarian has not. 农奴生活有保障，无产者生活无保障。
