| 单词 | echelon |
| 释义 | echelonechelonsechelonechelon /ˈeʃəlɒn $ -lɑːn/ noun [countable usually plural] a level or rank in an organization, business etc, or the people at that levelupper/higher/lower etc echelons (of something)the upper echelons of governmentechelon政府高层 |
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