The blow hole is an important breathing organ for marine mammals.

潮吹是海洋哺乳动物的重要呼吸器官。

The diet of the Inuit traditionally includes a lot of fish and marine mammals.

因纽特人的传统饮食包括大量的鱼类和海洋哺乳动物。

Some marine mammals sleep while swimming.

有些海洋哺乳动物边睡觉边游动。

Of course, marine mammals are equipped to handle underwater sleeping.

当然，也有些海洋哺乳动物具备水下睡觉的能力。

Like all marine mammals, the seals need to surface to breathe.

与其它海洋哺乳动物一样海豹也需要探出水面呼吸。

They are true marine mammals at home in the ocean whatever the weather.

它们是真正的海洋哺乳动物，无论天气如何都能在海中自由出没。

Jump in to join these smart marine mammals - an encounter you'll never forget!

与这些聪明的海洋哺乳动物来个亲密接触，绝对终生难忘！

We're tracking pollution at the top of the food web, in marine mammals and fish.

我们在食物网的顶层，比如海生哺乳动物或鱼类体内，追踪有毒物质。

They are true marine mammals and can swim many kilometers from one ice floe to another.

它们是真正的海洋哺乳动物，从一块浮冰到另一块，北极熊可以游上很长的距离呢！

Because of this, marine mammals don't sleep for a solid 8 hours a night, the way we do.

因此，它们不像我们，每晚能够稳定的睡上八小时。