The white fur of the polar bear is a natural camouflage.

熊身上白色软毛是一种天然伪装。

The Arctic remains the domain of the polar bear.

仍是熊领。

The polar region is the habitat of the polar bear.

带为熊栖息。

The ivory gull often follows polar bears to feed on the remains of seal kills.

象牙海鸥经常跟熊后面吃剩下海豹尸体。