1.At least 52 polar bears have been seen wandering around the town of Belushya Guba.
wander around 徘徊
I don't want to wander around downtown at this time of night.
我可不想這么晚了還在市區晃悠 。
2.Officials say the polar bears are roaming into towns looking for food.
roam 閑逛;漫游
Barefoot children roamed the streets.
光著腳的孩子們在街上閑逛 。