The floodwaters have now receded.

洪水现已消退。

《牛津词典》

Like an iron bastion, the dam withstood the rushing floodwaters.

大坝好似铜墙铁壁，顶住了洪水的冲击。

《新英汉大辞典》

Markets might capture and divert floodwaters to Nevada.

市场可以将洪水降服并将水资源运到内华达州。

youdao

At least twenty-nine people were killed in Tennessee, Mississippi and Kentucky, either by floodwaters or tornadoes.

VOA: special.2010.05.17

Food that has come in contact with floodwaters can sicken anyone who eats it.

VOA: special.2010.07.19

The floodwaters damaged or destroyed many other businesses and homes in the city.

VOA: special.2010.05.17

On Saturday, muddy floodwaters stood several feet deep in the countryside surrounding the metro area.

NPR: Frightened Okla. Residents Opt To Flee Tornadoes

The crushing floodwaters killed at least twelve hundred people, some right here on these streets.

BBC: Climate chaos: Transcript

The floodwaters can force patients to leave their pills behind, or make them contaminated and unusable.

FORBES: Magazine Article