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| 单词 | hierarchy |
| 释义 |
hierarchy UK ['haɪə.rɑ:.ki] US ['haɪr.ɑ:r-] noun countable ■a system in which people or things are arranged according to their importance 等级制度 •Some monkeys have a very complex social •He rose quickly through the political ■the people in the upper levels of an organization who control it 统治集团 |
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