along the banks of the river中的bank为什么用复数,如果是泛指的话就不应该用定冠词the

along the banks of the river中的bank为什么用复数,如果是泛指的话就不应该用定冠词the the banks of the river中bank为什么用复数? my wife is walking along the banks of the river.这里的bank 为什么要 We are walking along the banks of the river为什么bank要加S along the banks of the river along the banks of the river (沿着河岸） banks 不 My wife and I are walking along the banks of the river中的 ban My wife and I are waking along the banks of the river.句子中为什么 这里为什么要加sMy wife and I walking along the banks of the river.b my wife and i are walking along the banks of the river为什么不是b 英语翻译Along the river banks of the Amazon and the Orinoco ther 2,l,wife,and,my,along,river,of,banks,along,are,the,walking