In hot pursuit are hoards of hungry and agile predators.

因为有饥肠辘辘、 身手敏捷的捕猎者身后追赶。

Many fish live in groups or schools. That's because there is safety in numbers.

许多鱼的生活。因为只有当他们的一起时才安全。

They came out of the gutters and sewers in droves.

他们地从排水沟和下水道中跑出。

Argonauts, so common in the Mediterranean, voyaged here in schools of large numbers.

地中海中很常见的船蛸就这里地游玩着。

And when they stampede, so to speak, they're sight to see for sightseers.

当它们跳跃的时候，可以说是游客们眼中的风景线。

The investment banks on Wall Street are where HBS graduates go to report in crowds.

华尔街上的投资银行也是哈佛毕业生去报到的地方。

And during those seven days, a parade of elephants came from five different families.

七天的时间里，来自五个不同家庭的大象来到了这里。

Tourists flock there to see the famous landmark or activity.

游客地去里看著名的地标或活动。

In Manchester, tourists flock there to see the football stadium, right?

曼彻斯特，游客们地去看足球场。

Schooling in huge numbers, they mingle in the currents and cruise along the seamounts.

它们，混水流中，沿着海底山游弋。

Here, groups of males and females release millions of eggs and sperm into the water.

这里，的雌鱼和雄鱼水中产下它们的卵子和精子。

The next morning the whole family trooped in to watch the performance.

第二天早晨全家人来到起居室看我表演。

Mothers and their babies, called pups, hang in groups on the ceiling.

母亲和他们的孩子，叫做幼崽，悬挂天花板上。

Narwhals migrate seasonally and travel in pods through arctic waters.

独角鲸会季节性迁徙，并地北极水域中游弋。

Girls come in droves and boys flock there to meet them.

女孩们而来，男生们涌入迎接。

Still, new investors may not come in the droves that bulls expect.

尽管如此，新的投资者可能不会像看涨人士预期的样地到来。

So, Venezuelans are fleeing the country in droves.

因此委内瑞拉人民逃离。

Zebras, elephants, giraffes, and gazelles, all graze off the land in large herds for safety.

为了安全，斑马、大象、长颈鹿和瞪羚都地地上吃草。

I'm looking at groups of people. I'm also looking at people who look vulnerable.

我观察的人。我也寻找些看起来很脆弱的人。

They used to block out the sun for hours with flocks of billions.

它们曾经地飞过天空，遮天蔽日长达数小时，数量达数十亿只。