But recently the inland waterways, docks and fresh-water intakes of North America have been overrun by zebra and quagga mussels-species that originate from the area around the Black Sea.

但是，最近北美的内陆水道、码头和淡水入口蔓生了一种原存于黑海区域的斑马蛤贝和白斑马蛤贝。

youdao

Deluge: To overrun with water; inundate.

淹没：被水淹没；使泛滥。

youdao

To overrun with water; inundate.

地面被水淹没。

youdao

And so we had a chance to meet with some folks whose homes had been overrun with water.

WHITEHOUSE: Remarks by the President at a DNC Event