О-74

ОДИН ЗА ДРУГИМ NP fixed WO

each following the one in front of him or it

one after another (the other)

one by one.

Опять шли гуськом тени одна задругой, все шли, всё шли... (Салтыков-Щедрин 1). Again the shadows walked one after another in single file, kept walking, kept walking... (1a).