- and they briefly reunite where their home ranges overlap.
之前它们曾短暂地在陆地的家园团聚过 - Their time together will be fleeting.
它们在一起的时间很短 - Most of their lives are now spent alone,
它们一生的大部分时间都独来独往 - wandering the vast tracts of frozen ocean.
在冰封的海洋上四处游猎 - Following their mother
在跟它们母亲在一起的时候 - has prepared them for life at the pole,
它们已经学会怎样生存在极地 - an ever-changing land ruled by ice.
在这个永远在变的冰的国度