We see polar bears as a sentinel of climate change.

“我们将北极熊看作气候变化的哨兵。

Each pixel in the Sentinel images represented a ten-by-ten-metre square.

“哨兵”号图像中的每个像素代表一个10*10米的。

Strange sights and sounds occurred at different moments to bewilder the anxious sentinels.

不时出现令人奇怪的景象和声音，每每这时，焦急的哨兵总会受到迷惑。

It is a grandiose burial site. A huge cross stands sentinel in the Guadarrama hills.

这片墓地气势宏大，一块巨大的十字架如同哨兵一样守卫在瓜达拉马山上。

And indeed, the supposed sentry was rewarded with more grooming later on...

确实，之后被认为是“哨兵”的侏獴得到了更多的梳毛服务。

They found that new immigrants rarely served as sentinels.

他们发现，新加入的猫鼬很少担任哨兵。

The designs for their larger Sentinel model include bedrooms, flushing toilets, and even hot showers.

他们更大型号的哨兵设计包括卧室、冲水马桶，甚至还有热水淋浴。

So, what we want to do is build a spacecraft called The Sentinel.

我们想要造一架飞船，取名为“哨兵”。

It's ships like the Wave Sentinel that keep the World Wide Web connected.

是“海浪哨兵”号这样的船舶在保障着全球网络的常通讯。

I don't care, replied the sentry, if they touch me, I'll fire.

“我不在乎，”那哨兵回答，“如果他们胆敢碰我，我就开枪。”

But the sentries were too close; they gained on him.

但敌军哨兵离他太近了，他们又一次赶上了他。

No, but it might help against your sentry at the door.

不 只是有助于对付门口你那位哨兵。

I had to get away safely- and take the body of the dead watchman with me.

我必须安全地离开，而且得带上那个死去的哨兵。

Minh is the reporter for the tiny Gooseburg Sentinel newspaper.

明是一家小报纸《鹅堡哨兵报》的记者。

Scarlett thanked him and followed the sentry.

思嘉向他道谢，然后跟着哨兵走了。

Seeing a huge pine tree ahead, Steve jerked the sentry's bike toward it.

史蒂夫看到前有一棵巨大的松树，便迫使这名哨兵的摩托车向松树驶去。

Plotz thinks the oxpeckers may have evolved their sentinel behavior because it protects their convenient food source.

普洛茨认为，牛椋鸟可能为了保护便的食物来源，而进化出哨兵行为。

You looked at that, and we thought about it and said, that's brilliant, because they become sentinels.

看看这个主意，我们认为这真不错，因为它们成为了哨兵。

Matthew...I want you to organise sentry duty to keep an eye out for Kanen and his men.

马修，我想你去做哨兵来监视卡南他们的动向。

He has the determined look of a straight-backed sentry posted somewhere in the field, in the wilderness.

他脸上的专注表情就像在荒山野岭里站岗的哨兵。