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单词 rotation
释义 rotation
UK [rəʊ'teɪ.ʃən] US [roʊ-] noun
uncountable
■when something moves in a circle around a fixed point (尤指围绕一个固定点)(使)旋转,(使)转动
the speed of rotation转速
countable
■a complete circular movement around a fixed point 旋转
The Earth completes 366 rotations about its axis in every leap year.在每一个闰年里,地球绕地轴自转366圈。
countable or uncountable
■when farmers regularly change which crops they grow in a field 轮作;轮耕(农民有规律地改变田里种植的农作物)
crop rotation轮作;轮耕;轮植
uncountable
■when different people do the same job at different times 轮班(不同的人在不同的时间做相同的工作)
the rotation of key positions such as that of chairman轮值(重要职务如主席等的轮流担任)
UK [rəʊ'teɪ.ʃən] US [roʊ-] noun
in rotation
■one after the other, in a regular order 轮换,轮流,交替
There are ten employees and they do the various jobs in rotation.有十名员工,他们轮流做各种工作。
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