間 => while; during; between ~ N4
を中心に => focused on; centered on~ N2
瞬間 => At the very moment N3
Short period of time
間に => while; during~ something happened N4
…のも無理 (は) ない => It's natural for... N3
Evaluate
[間「あいだ」]/[間「あいだ」]に => During A, During A (before A is finished/over) N2
Time, Situation
のも無理もない => (to be) natural,(to be) understandable N3
Evaluate
[中心「ちゅうしん」]に => With A as the center N2
Miscellaneous
~ といっても間違いない => although I say; although one might say ~ it doesn't matter ... N1
Explain