The bear had dark eyes, and its scraggly brown fur was dotted with patches of gray.

这头熊有黑色的眼睛，它蓬乱的棕色皮毛上点缀着灰色斑点。

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The researchers created computer simulations of polar and brown bear skulls to estimate their bite strength and the stresses put on the skull by biting.

研究者对棕熊和北极熊的头盖骨做了电脑模拟以评估其咬合力和咬合时头盖骨承受的压力。

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Research by an international team of scientists has found that all polar bears descend from a single female brown bear.

由国际科学家组成的一支研究小组发现，所有北极熊都是一种雌性棕熊的后代。

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Of the two types of bear, the brown bear and the grizzly, one kills you and the other kills you and eats you.

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The cave bear is a close relative of the modern brown bear.

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Those catching a glimpse of the native brown bear or grey wolf may find themselves wishing for a return of the current.

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