It was frightening. The fastest evacuation route was through river rapids.

很吓人的。最快的疏散路线河流的流。

Below the Falls, the foaming water mass squeezes its way through a narrow gorge, creating the Whirlpool Rapids, which you can get to, aboard a jet raft.

在瀑布下方，白浪激流顺着狭窄的峡谷蜿蜒而下，形成漩涡流，可让人乘坐喷射汽艇享受乘风破浪的乐趣。

When the frigid jet stream bumps hard against humid air generated by the Gulf Stream in the Atlantic, meteorological mayhem results.

寒冷的流猛烈撞击大西洋湾流产生的潮湿空气会引发气象灾害。

It can turn an arid desert in to an oasis; convert a stream to white water rapids in the monsoon season, and breathe life into the harshest places on earth.

它能把干旱的沙漠变成绿洲；在雨季把浅溪变成流，给地球上最严酷的环境带来生命。

But, fall if not winter-like air is now moving down from Canada as the jet stream dives south, its cold front sweeping the country and dropping temperatures some 40 degrees below normal all the way into Texas.

但流驶向南方，从加拿大开始如果不像冬季时的气温那样持续下降，冷锋席卷全国并且使得得克萨斯州的气温一直比正常温度低40度。

They drive you up the Shotover River and then come down on a rubber raft through the Whitewater Rapids where the river's really narrow and fast and end up going through a tunnel nearly 200 meters long.

他们会开车把你送到沙特欧瓦河上游，然后你乘橡皮艇顺着流而下，那段河道特别狭窄，水流湍，最后还会穿过一个近 200 米长的隧道。

It was hard work, although he was so big; but by and by they were drawn out of the current, and then Dorothy took the Tin Woodman's long pole and helped push the raft to the land.

尽管狮子这么庞大，但对他来说这也艰难的工作，他们终于逐渐地摆脱了这股流。多萝茜拿起铁皮人的长木杆，把木筏推向岸边去。

One of these schools is Forest Hills school district, near Grand Rapids, Michigan.

密歇根州大流城附近的森林小丘校区采用的就这种方法。

Here is the current that many people see is scary or causes them anxiety.

这就引起很多人害怕和恐慌的流。

Here it's the current that many people see is scary or causes them anxiety.

这许多人所看到的令人恐惧或使他们焦虑的流。

Crossing such a torrent poses a huge threat to a little one.

穿越这样的流对小象来说一个巨大的威胁。

Firefighters here rescued a motorist stranded in rushing waters.

消防人员救出了一名被困在流中的司机。

Class IV Rapids all the way down when it's high water.

水位高的时候，就会出现四级流。

There are advantages to life in the fast stream.

这些动物拥有在流中生存的先天优势。

In the summer months this could cause the jet stream to weaken or split.

在夏季的几个月里，这可能会导致流减弱或分裂。

Lack of rain or snow over a period of time and atmospheric conditions such as temperature change and changes in the jet stream are all factors that can contribute to drought and low water levels.

一段时间内的雨雪缺乏以及诸如温度变化和流变化等气候条件都导致干旱和低水位的因素。

Wildeve meanwhile had arrived on the former side, and the light from Yeobright's lamp shed a flecked and agitated radiance across the weir pool, revealing to the ex-engineer the tumbling courses of the currents from the hatches above.

与此同时，韦狄来到了那边河岸，约布赖特的灯打出的光，掠过水池，这位前工程师在斑驳跳动的亮光中，看到从闸门里奔涌而下的滚滚流。

Equally unlikely, says Roger Lederer, an ornithologist emeritus at California State University, Chico, is that the bird climbed eight or more kilometers into the sky and was blown off course by the jet stream.

加州州立大学奇科分校的退休鸟类学家罗杰·莱德尔（音译）说，同样不可能的，这种鸟能飞上八公里或更高的天空，且被流吹离航线。

Several climate scientists and meteorologists said the immediate cause of the flooding is a cut-off lower pressure storm system that came from an unusually wavy and slowed jet stream.

几位气候科学家和气象学家说，洪水的直接原因一个被切断的低压风暴系统，它来自一个异常的波动和缓慢的流。

Meanwhile, more extreme winters occur as the polar jet stream, a high-pressure wind that circles the Arctic region, is destabilized by warmer air, it can dip south, bringing bitter cold.

与此同时，随着极地流（一种环绕北极地区的高压风）被温暖的空气破坏，它会向南下沉，带来极端寒潮，导致更多极端冬季的出现。