Check out this four-year-old boy swimming with the beluga whale.

看看这个和白鲸一起游泳的4岁儿童！

A beluga whale swims in a tank at the Vancouver Aquarium.

一头白色大鳇鱼或叫大白鲸在北美洲的范库弗峰水族馆里游弋着.

What's a beluga whale's favourite trick? Blowing bubbles that look like a halo.

白鲸的最爱把戏是什么？吹光环泡泡。

It's a captive beluga whale named NOC. And researchers say it's his attempt to mimic the sound of humans talking.

这是一头被铺的白鲸，它名叫NOC。研究人员说，它试图模仿人类的谈话声。

Putin had arrived for the dive a day after clipping a satellite transmitter onto a Beluga whale called on Chkalov island in Russia's far east.

此次潜水的前2天，普京还曾到俄罗斯的远东地区契卡洛夫岛（Chkalov island），亲自为一头大白鲸安装无线电信号发射器。

With its relatively small size, benign facial structure and lump on the forehead (called a melon), the beluga whale is undeniably adorable.

白鲸体型娇小，长相可爱，尤其是额头外隆圆滑突起，显然是当之无愧的萌物啊。

Although some people use these names interchangeably, porpoises are actually a larger group that also includes animals like the orca and the beluga whale.

虽然有些人把这些名称交替使用，鼠海豚科实际上是一个更大的群体，其中还包括像虎鲸和白鲸等动物。