Englishfor English speakers
rotating
adjective
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undergoing physical rotation
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that proceeds in sequence or in turns
beam
Noun
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A beam is a line of light or energy.
A beam of sunlight came through the window making a rectangle on the floor.
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A beam is a long straight piece of wood or metal used in building to support weight.
Inside, the ceiling of the tunnel was held up with beams and was high enough that we could stand.
beam
Verb
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If you beam a signal from one place to another, you send it through the air.
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If you beam, you smile and look very happy.
specimen
Noun
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A specimen is a sample of an animal, plant or mineral that is used for scientific studies.