行船: sail a boat; navigate 行船到最近的港口 navigate the ship to the nearest port; 逆風(fēng)行船 sail against the wind; 順風(fēng)行船 sail before the wind; 順流行船 navigate down the stream
上行: 1.[鐵道] up; upgoing 上行列車 up train2.[航運(yùn)] upriver; upstream 上行船 upriver boat; 上行線路 [電學(xué)] up-line; up link