The weddell seal and pup in antarctica are the most southerly dwelling mammals on earth

南极韦德尔海豹及其幼崽是居住在地球最南边的哺乳动物

Of course , sam was hardly a pup .

当然，山姆已不再是一只小狗了。

A weddell seal mother and pup with their breathing hole , which must be kept continuously open .

一只威德尔海豹（weddellseal）母亲和她的幼崽待在透气孔边上，透气孔必须得始终保持通畅。

A dolphin pod can find a dolphin pup lost in the ocean through its distress chirps .

丢失在大洋里的海豚幼崽，可以发出悲伤的啾啾声，让海豚妈妈找到它。

When the weddell seal pup is a few weeks old it is encouraged into the water to see the world beneath the ice .

在韦德尔海豹的幼崽只有几周大的时候，妈妈就鼓励它们进入冰下观察水里的世界。