The deeper the snow, the harder it is to detect prey, 积雪越深越难发现猎物
they really have to put their back into it. 他们得用后背好好地蹭一蹭
Some trees, it seems, are particularly suitable for rubbing. 有一些树似乎特别适合搓背
It may be many days before she feeds again. 也许下一次饱餐就是数日之后的事情了
and it could sustain her for days. 这顿美餐能让她支撑数日
All it can do is wait for one to slip and fall. 只能等待某只羱羊失蹄跌落
Scattering makes it hard for the fox to pick a target. 四散而逃的羊群让赤狐难以选择目标
And it certainly can't follow them up here. 显然它也无法追上峭壁