Climate change is already leading to a noticeable reduction in seal Numbers and the ice will soon become so thin that it will be impossible to use dog sleds.

气候变迁已经导致海豹数量明显减少，很快冰面将变薄，不再能够使用狗拉雪橇。

The virus moves from a leg bitten by a rabid dog up the long axons leading to the spinal cord, then jumps to dendrites of other nerves and travels up to the brain, where it causes horrific damage.

在被携带狂犬病毒的狗咬伤后，病毒会从腿部沿着通向脊髓的长轴突向上游走，然后转向其他神经的树突并向前行进入大脑，它会对大脑造成严重的伤害。

"This dog is leading me through life," Mr. Lingenfelter told Dr. Becker. "All I'm doing is following the dog."

Lingenfelter先生告诉Becker博士“在我的生活中，这只狗是我所有事情的向导，我所要做的就是跟着它的指引就够了。”

"With increasing focus on leading an active healthy lifestyle it seems that owning a dog makes us more healthy," the Bob Martin spokesperson said.

“随着对积极健康的生活方式的关注的增加，似乎拥有一条狗可以让我们更健康，”发言人Bob Martin说。

It's the oldest dog ever found in Siberia, Turner says, and it was domesticated just before humans started their migration north, leading them eventually to the Americas.

这是曾经在西伯利亚发现的年代最久远的狗，Turner 说，而且它在人类开始北移，最终导致他们到达美国之前就被驯养了。

In the leading role is a dog, named Buck.

在主角是一只狗，名叫巴克。

One lady leading a dog onto the bus.

一位女士领着一条狗上了公共汽车。

The man and his wife are now leading a cat-and-dog life.

这个人和妻子过着吵吵闹闹的生活。

"Simple activities like walking the neighbour's dog or helping in the garden help to burn calories and improve general fitness, leading to a healthier, happier nation." Read by Renee Haines.

比如，帮邻居遛狗或帮别人种花弄草这种简单的活动有助于燃烧热量，改善身体健康，从而营造一个健康快乐的国度。

In the Loess Plateau of North Shaanxi Province a riverside village, a group of well known in the village of wild doll, called " 8 big King Kong", leading called lucky dog.

在陕北黄土高原的一个河畔山村里，有一群闻名全村的野娃娃，人称“八大金刚”，领头的叫狗娃。