Sea otters are pretty petite compared to other marine mammals.

与其它海洋哺乳相比，海獭体型相当娇小。

Sea otter fur, for example, is about a thousand times denser than human hair.

例如，海獭皮，海獭皮比人类毛发要浓密大约一千倍。

Sea otters are one of the few marine mammals to use tools.

海獭是少数使用工具海洋哺乳一。

We're basically working with nine sea otters behind the scenes right now.

我们基本上就为目前这屏幕后9只海獭工作。

Rescued when she was only a week old, this sea otter had a huge following.

这只海獭被救起时只有一周大，它丝很多。

Some marine mammals spend lots of time on land like sea otters and polar bears.

一些海洋哺乳会有很多时间在陆地上，如海獭和北极熊。

A sea otter in the style of girl with the pearl earring by Johannes Vermeer.

一只戴着约翰尼斯·弗米尔珍珠女孩风格海獭。

It was a magnificent sea otter from the genus Enhydra, the only exclusively marine quadruped.

倒下来是一只很好看水獭，一只水兽，它可能是住在海中唯一四足兽了。

The sea otters are coming in with a variety of injuries, illness, orphaned pups.

来海獭要么受了各种各样伤，要么患了各种疾病，又或是被遗弃幼崽。

The reading and the lecture are both about theories of the rapid decline in sea otter populations.

阅读文章和演讲都是关于海獭数量急剧下降理论。

When it comes to more practical matters like using tools, the sea otter is front and center.

当涉及到更实际问题，比如使用工具时，海獭是个中翘楚。

And don’t miss the rescued sea otters chowing their way back to good health on fresh clams.

千万别错过那些大口咀嚼着新鲜贝类而重拾健康获救海獭。

Capuchins, chimpanzees and sea otters, among others, are known to use rocks to crack open, respectively, nuts and shellfish.

已知卷尾猴、大猩猩和海獭分别用岩石来敲开坚果和贝类。

It's the sea otter which can grow to a weight of 90 pounds that's the largest weasel on earth.

答案是海獭，它能长到90磅重，是地球上最大鼬类。

This finding indicates that pollution is the reason why sea otters are in rapid decline.

这一发现表明，污染是海獭迅速减少原因。

Furthermore, he mentions that the absence of dead sea otters on shores indicates that sea otters were killed and eaten by predators.

而且他提到海岸上没有发现死海獭表明海獭是被捕食者杀害并吞食。

Sea otters use 'em to protect their babies.

- 海獭用它们来保护他们孩子。

Secondly, the reading states that aside from sea otters, other small sea animals also decreased in population due to pollution.

第二，文章指出除了海獭以外，其它海洋数量也因污染而减少。

Let's look at the trade in sea otter pelts or skins sea.

让我们看看海豚皮毛或皮革海洋贸易。

He says that if the sea otters had been killed by pollutants in water, they would have been found on shores.

他说如果海獭死于水中污染杀，那么它们会在海岸上被发现。