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English definition of “body clock”

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body clock

noun [C] uk   informal us  
your body's natural need to sleep, eat, etc. at particular times
Translations of “body clock”
in Chinese (Traditional) 生理時鐘…
in Chinese (Simplified) 人体生物钟…
(Definition of body clock from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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