Question

rotation n.旋转，转动;轮流，循环;[农]轮作;[天]自转; pl:rotations~adj:rotational~

Accepted Answer

英[rəʊˈteɪʃn]  美[roʊˈteɪʃn] N-VAR旋转;转动Rotation is circular movement. A rotation is the movement of something through one complete circle.例：...the daily rotation of the earth upon its axis.地球每天绕地轴自转N-UNCOUNT轮流;轮班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.例：He grew a different crop on the same field five years in a row, what researchers call crop rotation...他连续5年在同一块地里种植不同的作物，研究人员称之为轮作。例：Once a month we met for the whole day, and in rotation each one led the group.我们每个月聚在一起一整天，轮流担任领队。

单词	rotation
音标	英[rəʊˈteɪʃn] 美[roʊˈteɪʃn]
解释	n.旋转，转动;轮流，循环;[农]轮作;[天]自转;
例句	N-VAR 旋转;转动 Rotation is circular movement. A rotation is the movement of something through one complete circle. 例：...the daily rotation of the earth upon its axis.地球每天绕地轴自转 N-UNCOUNT 轮流;轮班 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. 例：He grew a different crop on the same field five years in a row, what researchers call crop rotation...他连续5年在同一块地里种植不同的作物，研究人员称之为轮作。例：Once a month we met for the whole day, and in rotation each one led the group.我们每个月聚在一起一整天，轮流担任领队。
变形	pl:rotations~adj:rotational~

Rotation People Turns Crop 英[Rəʊˈteɪʃn 美[Roʊˈteɪʃn N.旋转，转动;轮流，循环;[农]轮作;[天]自转 N Var