She has been in her den the whole winter. 整个冬天 它都在洞穴里度过

22. and light returns to the high Arctic,
    阳光重返北极腹地
23. sweeping away four months of darkness.
    驱走了4个月的黑暗
24. A polar bear stirs.
    一只北极熊苏醒了
25. She has been in her den the whole winter.
    整个冬天 它都在洞穴里度过
26. Her emergence marks the beginning of spring.
    它的出现标志着春天的到来
27. After months of confinement underground
    长达数月的地下闭居已经结束
28. she toboggans down the slope.
    它从斜坡上一滑而下

来自《行星地球 第一季 第一集 Planet Earth S01E01 从北极到南极》第 25 行