echeloned
📖 中文释义
- (echelon 的过去时) n. 梯形, 梯阵, 梯次编队
- vt. 排成梯队
- vi. 形成梯队
🧩 词形变化
原形 echelon
📘 English Definition（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