This is the 3705th most frequent Chinese word.
行军
"March" or "military march."
Here, '行军' is used as a verb meaning 'to march' in a military context.
军队正在准备行军到新的驻扎点。
The army is preparing to march to a new garrison location.
In this sentence, '行军' describes the activity of marching as part of a journey or campaign.
行军途中,士兵们遇到了艰难的地形。
During the march, the soldiers encountered difficult terrain.
Here, '行军' is used to indicate a method or tactic of movement typically used in strategic military operations.