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English definition of “preserve”

preserve

verb [T]     /prɪˈzɜːv/
KEEP THE SAME B2 to keep something the same or prevent it from being damaged or destroyed: to preserve peace to preserve the environmentPreserving and savingDefending and protecting
TREAT to add substances to something so that it stays in good condition for a long time: to preserve food/woodPreserving and storing food
(Definition of preserve verb from the Cambridge Learner's Dictionary © Cambridge University Press)

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