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米的正方形。

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。

There were more dementors in here, casting their freezing aura over the place; they stood like faceless sentinels in the corners farthest from the high, raised platform.

里面有更多的摄魂怪，面无表情地像哨兵一样站在离房间的角落里，所散发出的寒意笼罩着整个地牢。

They're called sentinel chickens, and their sole purpose is to be monitored for signs of dangerous viruses like the West Nile virus.

他们被称为「哨兵鸡」，它们的唯一目的是监测像西尼罗河病毒等危险病毒的迹象。

The way locals tell it, at least one surprise attack during the siege was thwarted by the monkeys who alerted the night watch to the invaders with their commotion.

当地人说当时至少有一场突袭遭到阻挠。以骚动向夜哨兵示警，告知有敌军入侵。

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马山上。

Standing like a lonely sentinel on Titano’s farthest peak, is Montale, the smallest of the towers. Although the tower itself is now closed, its remoteness means you’ll enjoy the mountain’s cool air without the crowds.

而蒂塔諾山最遠處的山峰上，則站立了 宛如哨兵般的蒙塔萊 (Montale)，也是三座高塔中最小的一座。 这座塔本身 目前虽未开放，而且地处偏远，但意味着您可以远离人熙攘 尽情享受凉爽山气。

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。

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”。

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。

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

正是“海浪哨兵”号这样的船舶在保障着全球网络的正常通讯。

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。

Fire! shouted the boys, for they were persuaded he could not do it without leave from a civil officer; and a young fellow spoke out, " We will knock him down for snapping, " while they whistled through their fingers and huzzaed.

“开枪！”那少年连声高叫，事先有人向他们透风，假若市政官员在场的话，英国哨兵就不敢开枪。突然，一位年轻人叫道，“把他揍倒，折断他的枪，”四下响起一片呼哨和连声哄叫。

She looked down the street toward the firehouse and saw that the wide arched doors were closed and heavily barred and two sentries passed and repassed on each side of the building.

她朝大街前边的消防站望去，发现那些宽阔的拱门都紧紧闭着并且扣上了笨重的铁杠。有两个哨兵分别在房子的两旁来回走动。

It wasn't until they'd been in their new groups for five months, on average, that they spent as much time working as lookout as the other mongooses did.

平均来说，它们在加入新体五个月以后，才能和其他猫鼬一样担任哨兵的工作。

And the B612 Foundation, a charity which hopes to build and launch an asteroid-hunting space telescope called Sentinel, has also reported a substantial rise in donations.

此外还有一个叫做“B612基金会”的慈善组织，希望建造和发射一台名为“哨兵”的太空望远镜，用于小行星搜寻。该基金会报告称其获得捐款数显著上升。

It's worth noting that in 2020, Bot Sentinel, a group that tracks online disinformation and harassment, was hired by Heard's lawyers to analyze the social media campaign against her.

值得注意的是，2020年，赫德的律师聘请了追踪网络虚假信息和骚扰的组织“机器人哨兵”，来分析针对她的社交媒体宣传活动。