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echelons是什么意思

echelons

柯林斯高阶英汉双解学习词典释义
  • N-COUNT
    等级;阶层
    An echelon in an organization or society is a level or rank in it.
    例句
    ...the lower echelons of society. 社会等级较低的阶层
  • N-COUNT
    （士兵、车辆、军舰、飞机等的）梯形编队,梯队
    An echelon is a military formation in which soldiers, vehicles, ships, or aircraft follow each other but are spaced out sideways so that they can see ahead.