常見(jiàn)例句One group was working class and one was upper class.一組是工人階級(jí)，另一組是貴族階級(jí)。Families from these upper classes became the nobility or aristocracy.這些來(lái)自上流社會(huì)的家族后來(lái)就成了貴族階級(jí)。 返回 upper-crust