| plant or grow in a fixed cyclic order of succession; "We rotate the crops so as to maximize the use of the soil"
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| perform a job or duty on a rotating basis; "Interns have to rotate for a few months"
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| turn on or around an axis or a center; "The Earth revolves around the Sun"; "The lamb roast rotates on a spit over the fire"
同义词：revolve, go around,
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| turn outward; "These birds can splay out their toes"; "ballet dancers can rotate their legs out by 90 degrees"
同义词：turn out, splay, spread out,
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| cause to turn on an axis or center; "Rotate the handle"
同义词：circumvolve,
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| exchange on a regular basis; "We rotate the lead soprano every night"
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| 1. | The earth rotates once a day on its axis .
地球绕它的自转轴一天旋转一周。
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| 2. | The earth rotates once every 24 hours .
地球每24小时转一周。
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| 3. | Molecules rotate and vibrate by virtue of their heat .
分子因热效应而发生转动和振动。
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| 4. | The carriage feeds the tool while the workpiece rotates .
当工件旋转时，拖板送进刀具。
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| 5. | So a separate rotating aerial is used for that purpose .
为此需要用一种单独的旋转天线。
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| 6. | Explain why the vanes rotate when they are illuminated .
试解释：叶片被照亮时为什么会旋转。
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| 7. | The isoclinics rotate in the same sense as the polaroids .
等倾线的转向与偏振镜的转向相同。
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| 8. | This large gear turns the small one to rotate the cylinder .
这个大齿轮带动小齿轮使滚筒旋转。
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| 9. | Seen from the earth, the sun rotates in about 27 days .
从地球上观测，太阳的自转周期约为27天。
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| 10. | It can be used on rotating machinery and under water .
它可以用于回转式机器，也可以在水下应用。
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