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单词 rotation
释义 rotation n 1 (a) [U] rotating or being rotated 旋转; 转动     the rotation of the Earth 地球的自转. (b) [C] one complete movement of this type (旋转的)一圈; (一)转     five rotations per hour 每小时旋转五圈. 2 [C, U] regular organized sequence of things or events 轮流; 轮换     the rotation of crops/crop rotation, ie varying the crops grown each year on the same land to avoid exhausting the soil 作物的轮作[轮种]. 3 (idm 习语) in rotation in turn; in regular succession 轮流地; 轮番地; 循环地     The chairmanship of the committee changes in rotation. 委员会主席一职是轮流担任的.
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更新时间:2024/11/8 22:48:10