rotation
英 [rəʊˈteɪʃən]
[NOUN]
rotations
1. [C, U 有变体名词] 旋转 , 转动
Rotation is circular movement. A rotation is the movement of something through one complete circle.
近义词
revolution , gyration , spinning
双语例句
例：the daily rotation of the earth upon its axis.
地球围绕地轴的每日自转。
例：the point of rotation of the lever arms.
杠杆的旋转点。
2. [U 不可数名词] 轮流
The rotation of a group of things or people is the fact of them taking turns to do a particular job or serve a particular purpose. If people do something in rotation, they take turns to do it.
双语例句
例：He grew a different crop on the same field five years in a row, what researchers call crop rotation.
他连续5年在同一块地上轮流种植不同作物，研究人员称之为轮作。
NOUN. 名词
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