劍橋詞典a system in which people or things are arranged according to their importance 等級制度 Some monkeys have a very complex social hierarchy. 有些猴群中出現(xiàn)了非常複襍的種群等級。 He rose quickly through the political hierarchy to become party leader . 他的政治地位迅速上陞，成了黨的領(lǐng)導(dǎo)人。 the people in the upper levels of an organization who control it 統(tǒng)治集團(tuán) 返回 hierarchy