Such is the brutal effectiveness of these silent sentinels.

这就是残酷的哨兵这些措施的成效沉默。

Birds are like winged sentinels, signaling our planet’s future.

鸟类就像长翅膀的哨兵，预示了我们所居星球的未来。

And the leader posted armed sentinels at the fringes of the group.

头领还在商队周围安排了持枪的哨兵。

With Sentinels and Covenant inbound, I want all my options open.

哨兵和圣约人进来的时候, 我要我的计划实现.

I wanted to give the masses of Sentinels a distinctive head shape.

我想赋予这些数量惊人的哨兵一个不同的行进队形。

On the behalf of the Human Sentinels, I say that we should take our shot.

作为哨兵中人类的代表，我说，现在该轮到我们进攻了。

So my project is along the Northwest Atlantic. It's called Seals as Sentinels.

我的研究项目集中在大西洋的西北沿线，名为：海豹哨兵。

So scientists thought that the monkeys might be “sentinels” for human lead exposure.

据此，科学家们料想，这些猕猴能够作为指示人居环境铅污染的“哨兵”。

Still others would stand as sentinels in high earth orbit to spot dangerous intruders from our star.

还有一些将作为地球高轨上的哨兵来确定危险入侵者距离我们这个星球的准确位置。

They helped to track and hunt prey, and might have served as sentinels to guard camps and warn of approaching enemies.

它们可以追踪和捕捉猎物，并且能作为哨兵来守卫营地，还能警告接近的敌人。