Nutrients from the two great rivers of Ganges and Brahmaputra feed the soil of the paddies in the low-lying Ganges Delta.
来自两条大河，恒河和雅鲁藏布江的养分滋润着地势低洼的恒河三角洲的稻谷。
2
Downstream water flow slow, siltation of the alluvial soil more and more, forming a great many of the Delta islands.
下游水流缓慢，淤积的冲积土愈来愈多，形成一个有许多岛屿的巨大三角洲。
3
Yellow river Delta is the retired land formed from the river-sea interaction, the soil formed shortly, and the vegetation evolves frequently, the whole ecosystem is vulnerable, too.