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echeloned

释义

(echelon 的过去时) n. 梯形, 梯阵, 梯次编队
vt. 排成梯队
vi. 形成梯队

英文释义

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

词形变化

原型: echelon 原型变体: p

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