- It must get to grips with its new ice world,
它们必须适应这个冰雪世界 - benign one minute, life-threatening the next.
但天气喜怒无常 - Even in spring, winds chill to the bone.
即使是春天 仍然寒风彻骨 - The calf must stay close to its mother to avoid getting lost in the sudden blizzard.
小牛必须紧跟着母亲 才能避免在突如其来的暴风雪中迷路 - Arctic wolves!
北极狼 - In the whiteout, the threat is almost impossible to detect,
在白茫茫的天气中 有危险也几乎不可能察觉到 - but the musk oxen instinctively retreat to higher ground.
但是麝牛本能地向高地撤退