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English definition of “back and forth”

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back and forth

C2 moving first in one direction and then in the opposite one: She swayed gently back and forth to the music.
Translations of “back and forth”
in Chinese (Traditional) 來回地,來來回回…
in Chinese (Simplified) 来回地,来来去去…
(Definition of back and forth from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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