caste

详细解释:n. 印度的种姓制度, (排他的)社会团体

英语解释：

名词 caste:

social status or position conferred by a system based on class(Hinduism) a hereditary social class among Hindus; stratified according to ritual puritya social class separated from others by distinctions of hereditary rank or profession or wealth

例句：

I suppose you also have a caste system in your society.我想你们的社会里也有一种等级制度。