- And she must get there before the ice breaks up.
因此它必须在冰层破碎之前到达那里
- For now though it's still minus thirty degrees
而现在的气温仍然有-30℃
- and the cubs must have the shelter of the den.
熊崽们必须回到洞中避寒
- It's six days since the bears emerged
现在是北极熊现身后的第6天
- and spring is advancing rapidly.
春色匆匆
- But even now blizzards can strike without warning.
但即使是现在 暴风雪 仍会在毫无征兆的情况下来袭
- Being so small, the cubs are easily chilled and they will be more comfortable resting in the den.
幼小的熊崽很容易冻僵 躲在洞穴中可能会更舒服些
来自《行星地球 第一季 第一集 Planet Earth S01E01 从北极到南极》第 49 行