n. the month following February and preceding April
n. the act of marching; walking with regular steps (especially in a procession of some kind)
n. a steady advance
n. a procession of people walking together
n. 三月, 进行, 行军, 步伐, 长途跋涉, 进行曲, 边界
vi. 进军, 前进, 交界
vt. 使行军, 使行进