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English definition of “explain”

explain

verb [I/T]  /ɪkˈspleɪn/ us  
to make something clear or easy to understand by describing or giving information about it: [I] If there’s anything you don’t understand, I’ll be happy to explain. [T] The teacher explained the procedure to the students. [+ question word] Bill explained how the program works. To explain is also to give a reason for doing something: [+ question word] He couldn’t explain why he did it.
(Definition of explain from the Cambridge Academic Content Dictionary © Cambridge University Press)
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