| 单词 | echelons | 
| 释义 | echelon1 of 2noun  ech·e·lon  ˈe-shə-ˌlän   1   a(1)     : an arrangement of a body of troops with its units each somewhat to the left or right of the one in the rear like a series of steps    (2)     : a formation of units or individuals resembling such an echelon  geese flying in echelon    (3)     : a flight formation in which each airplane flies at a certain elevation above or below and at a certain distance behind and to the right or left of the airplane ahead    b     : any of several military units in echelon formation    also : any unit or group acting in a disciplined or organized manner    served in a combat echelon   2   a     : one of a series of levels or grades in an organization or field of activity  involved employees at every echelon    b     : a group of individuals at a particular level or grade in an organization or field of activity  the upper echelons of management   echelon 2 of 2verb  echeloned; echeloning; echelons    transitive verb   : to form or arrange in an echelon   intransitive verb   : to take position in an echelon   echelons nounas in ranks   the placement of someone or something in relation to others in a vertical arrangement jobs in the upper echelons of the company pay quite well indeed   Synonyms & Similar Words Relevance     
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