Otter fur is spiky, so it traps insulating air molecules.

海獭毛尖锐，能够困住保温空气分子。

When otters disappear, for example, urchins take over, decimating kelp forests.

如当水獭消失，海胆数量会上升，海藻丛会被大量消耗殆尽。

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

例如，海獭，海獭人类的毛发要浓密大约一千倍。

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

来的海獭要么受了各种各样的伤，要么患了各种疾病，又或是被遗弃的幼崽。

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

海獭是少数使用工具的海洋哺乳动物之一。

One said its otter was sturdy built, winter-ready and waterproof.

有人说水獭是结实的，水中可以使用而且是防水的。

Maybe someone tried to duck out on their request or replace it with something otter.

也许有人试图逃避他们的请求，或者用一些水獭来代替。

Jaguars on the land, giant otters in the water.

如属于那片土地的美洲虎，以及属于那片水域的巨型水獭。

The gibbons live above in the treetops, the otters live below in the water.

长臂猿住在上面的树梢，水獭住在下面的水里。

But a male otter has also arrived at the pond.

但一只雄性水獭也来到了池塘。

Having put the otter in his place, he gets on with his chores.

把水獭安置好后，他继续做他的家务。

But these otters are one step ahead.

但这些水獭领先一步。

Grand Teton is the perfect place for otters to keep in top condition.

大提顿是水獭保持最佳状态的最佳场所。

Spotting an otter nearby, Loki tossed a stone at its head, killing the animal.

洛基发现附近有一只水獭，便向它头上扔了块石头，将其杀死。

But the day may come when they'll more closely resemble otters or beavers.

而他们模仿水獭或者海狸的那一天终将会到来的。

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，它的粉丝很多。

Hearing is also tough for otters, in the noisy underwater environment.

由于水下环境非常嘈杂，海獭的听觉也会受限。

Sea otters are pretty petite compared to other marine mammals.

与其它海洋哺乳动物相，海獭的体型相当娇小。

He's been watching and waiting as the otters die for fish.

它一直在观察，并等待水獭奋力捕鱼。

That's great for the fish population and the river otters that live here.

这对鱼及在这里生活的人们都很有帮助。