proletariat
n. 无产阶级，工人阶级；最下层阶级
例句
The proletariat was then still a "class-in-itself".
这时，他们还是一个所谓“ 自在的阶级”。
He also recognized the "only the future but the emerging proletariat".
同时还认识到“惟新兴的无产者才有将来”。
He was actively involved in improving the living conditions of the proletariat.
作者积极推动提高下层阶级的生活状况。
