修筑黄河滩区堤防，保障漫滩安全；

To build dykes in floodplain and;

youdao

第二个主要的棉花种植区是沿着密西西比河下游及其支流的富饶的河滩地。

A second major cotton-growing area lay in the rich bottom land of the lower Mississippi River and is tributaries.

youdao

第二个主要的棉花种植区是沿着密西西比河下游及其支流的富饶的河滩地。

A second major cotton-growing area lay in the rich bottom land of the lower Mississippi River and is tributaries.

youdao