He opened up lakes and canals, fought floods, built dams.

他也曾开凿湖泊河道，治水筑堤。

Or he repairs to some open lake or mill-pond, at the bottom of which he feeds in safety.

或者他修整到一些开阔的湖泊或磨坊池塘，在其底部安全地觅食。

The extreme low water, I called, had evidently dried Lake Harney to this confused alternating of open lake and maze.

极低的水位， 我说，显然已经干涸了哈尼湖， 变成了这个开阔的湖泊和迷宫的混乱交替。