echeloned
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echeloned
中文翻译
(echelon 的过去时) n. 梯形, 梯阵, 梯次编队
vt. 排成梯队
vi. 形成梯队
英文解释
past tense of echelon
n. a body of troops arranged in a line
n. a diffraction grating consisting of a pile of plates of equal thickness arranged stepwise with a constant offset
词态变化
原型:echelon
变形:p