echelon

美音音标: ['eʃəlɒn] echelon
英音音标: ['eʃəlɒn] result.0.expl|add:"

同义
echelon
词性
n
解释
status in a society or organization
示例
the upper echelon

同义
echelon
词性
n
解释
a body of troops arranged in a line
示例
None

同义
echelon
词性
n
解释
a diffraction grating consisting of a pile of plates of equal thickness arranged stepwise with a constant offset
示例
None