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

The area around Central High School is now overrun with abandoned houses used by drug dealers.

中心高中 周围 地带现在是一片废弃房，由贩毒者在用。

youdao

It and the area around it are owned by a single family, which has managed to keep it from being overrun.

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