sustained by the nutrients and detritus in the icy currents that flow around the peak. 得益于洋流持续不断地携带养分从这里流过
In the Arctic, any breach in the icy barrier can be a lifeline. 在北极 每一处破冰的地方都是一条生命线
They're the only large predator in these icy waters. 它们是这些冰水中唯一的大型掠食动物