At low water, trapped shrimps and fish become easy prey, a life saver for these endangered birds.

在低潮时，受困的虾和鱼成为易取得的食物，也挽救了这些濒危鸟儿的性命。

The quicksands were of great extent at low water, and had an infamous reputation in the country.

流沙面积大， 水位低，在全国声名狼藉。

I told you Peru was a delightful country to live in; but it's not quite so nice for people that happen to be at low water, as I was.

我告诉过你秘鲁是一个宜居的国家；但是对于像我这样碰巧处于低水位的人来说并不是那么好。