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。
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。
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。
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