along,along什么意思

scenic coastal road along a sea on kefalonia island greece
预订 along a country road [9780692967607]
thoughts along the way: a journey on the appalachian trail
come along/come along 2/come along 3 【cd】3枚セット 8月2日発売
【中商海外直订】along the fifty fathom line 沿50英寻线