| 单词 | echelon |
| 释义 | echelon (once / 9555 pages) 1n 2n 3n An echelon is a stepped formation with objects arranged in a diagonal. Birds flying in a V shape create echelons so that they can draft behind each other and conserve energy — except for the guy up front, who’s super tired. Echelon patterns are often used by the military, with rows of tanks, troops, or aircraft arranged behind and to the left or behind and to the right of the row ahead. Echelon can also refer to a particular level or rank in a group or society. If you win the Olympics, you’ve reached the upper echelon of athletics. If you win a hot dog eating contest . . . Well, you reached a pretty low echelon of athletics. WORD FAMILYechelon: echelons USAGE EXAMPLESMany Israeli women see combat roles as a springboard to the top echelons of the military, politics and the corporate world. Wall Street Journal(Dec 28, 2016) “To be anywhere in that top echelon of players is incredible,” Messier said. Washington Times(Dec 15, 2016) Intelligence and diplomatic sources say he tried to compromise the results but the top echelons of the army warned him against it. BBC(Dec 08, 2016) 1 n position in a social hierarchy 2Syn|Hypo|Hyper rank, social rank, social station, social status place, station proper or designated social situation qualityhigh social status nichea position particularly well suited to the person who occupies it position, status the relative position or standing of things or especially persons in a society n a body of troops arranged in a line 3Hyper force, military force, military group, military unit a unit that is part of some military service n a diffraction grating consisting of a pile of plates of equal thickness arranged stepwise with a constant offset Hyper diffraction grating, grating optical device consisting of a surface with many parallel grooves in it; disperses a beam of light (or other electromagnetic radiation) into its wavelengths to produce its spectrum |
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