Lake beds evaporated and then filled, herds thinned out and then grew bigger.

湖床干了又湿，兽群数量减了又增。大地被阳光炙烤后，又被雨水淹没。

We are documenting using the former lake beds.

我们正在利用以前的湖床进行记录。

It was discovered in a dry lake bed.

该石像是在一个干涸的湖床上被发现的。

The crater is believed to be a dried up lake bed.

这个陨石坑相信是在干燥的湖床上。

They're anchored to steel poles that were driven 16 meters into the lake bed.

它们被固定在钢柱上，这些钢柱被打入湖床16米深。

Toxic dust from the exposed lake bed is severely impacting the health of local residents.

裸露湖床产生的有毒粉尘严重影响了当地居民的健康。

The lake bed is the second lowest place on Earth at 154 meters below sea level.

这个河床是全世界次低的地方，低于海平面154米。

And cement was injected into the lake bed to try and stop further groundwater contamination.

湖床注入水泥，以阻止地下水进一步受到污染。

Every year, the sea shrinks, and the dusty, barren looking lake bed that surrounds it gets bigger.

湖水每年都在萎缩，而周围布满灰尘且荒芜的湖床却越来越大。

Carly Biedul of the Great Salt Lake Institute - we're walking across the dried-up shore of the lake bed.

这位科学家是大盐湖研究所的卡莉·比杜尔——我们正跨过湖床边。

So there isn't a solid explanation regarding how they move across the floor of the dry lake bed.

所以关于它们的如何在干燥的湖底移动的，没有可靠的解释。

Then, in the 1970s and '80s, cement blocks were laid across the lake bed to prevent further wind erosion.

然后，在 20 世纪 70 年代和 80 年代，人们在湖床上铺设了水泥块，以防止进一步的风蚀。

The dry, radioactive lake bed was then swept into the air by the wind and blown across the southern Soviet Union.

随后，干涸的放射性湖床被风卷到空中，吹过苏联南部。

Then in 1905, a canal breached and flooded the ancient lake bed with water from the Colorado River, which created an oasis.

1905 年，一条运河决口，科罗拉多河的水涌入古老的湖床，造就了一片绿洲。

It could be rainfall, dunes or dry lake beds.

可能是降雨、沙丘或干涸的湖床。

Beneath the lake bed, they discovered remnants of a stone tomb.

在湖床下，他们发现了一座石墓的遗迹。

But only lake beds would explain the timing and locations of the signals.

但只有湖床才能解释信号的时间和位置。

After an extensive search, Rivera was found in an area of the lake where heavy brush and trees were found on the lake bed.

经过大范围的搜索，里维拉在湖的一个区域被发现，那里的湖床上有茂密的灌木和树木。

In 1990, it was the single most radioactive place on Earth, containing more radioactive material in its small lake bed than the entire Chernobyl disaster.

在 1990 年，它是地球上唯一一个放射性最强的地方，其小湖床中的放射性物质比整个切尔诺贝利灾难还要多。

(mysterious music) Archaeologists discovered this tomb while excavating a pre-historic, dried up lake bed in Motala, Sweden in 2009.

（神秘音乐）考古学家于 2009 年在瑞典穆塔拉挖掘一个史前干涸的湖床时发现了这座坟墓。