It's the newly born calves that they are after. 它们的目标就是新生的小鹿
Newborn calves have to be up and running the day they are born. 新生的小鹿必须 在出生的第一天就站起来奔跑
the only food the cubs have known since they were born deaf and blind beneath the snow some two months ago. 自从熊崽们两个多月前又聋又瞎地 在雪下出生以来 母乳就是它们唯一的食物