looks quite familiar to “一遍一遍” but is definitely not the same😅😅 一遍 yí biàn means “one time”，so “一遍一遍” is “one time（after）one time”，a.k.a. “time and time again”一边……一边……（yì biān……yì biān…）is a conjunction word，meaning “doing A while doing B”And you are right again，“边”...