Day by day the sea is eating the land—the dam has stopped the sediment of the Nile form replenishing the shoreline. 译文：海水一天天吞食着陆地——水坝已经使得尼罗河的泥沙无法沉积下来加固海岸了。

【参考答案】

海水一天天冲刷陆地——水坝已经使得尼罗河的泥沙无法沉积下来加固海岸了。