This is the 771st most frequent Ukrainian word.
чергою
In turn; sequentially.
In this sentence, 'чергою' is used to imply 'in turn', indicating a sequence or order in which actions take place.
Ми підемо чергою в музей.
We will go in turn to the museum.
Here, 'черга' is used within an idiomatic expression where it reflects the concept of awaiting sequence or precedence.
Коли прийде моя черга, я зайду.
When it is my turn, I will enter.
In this sentence, 'черга' denotes the point in time when a specific action is supposed to happen.