He hunts by listening for the faintest sound of movement. 他通过辨认极其微弱的声音来捕捉猎物
Temperatures in the Rockies will drop to -54 degrees, 落基山脉地区的温度会降至零下五十四度
This bobcat is one of the few hunters to remain active in winter. 山猫是少数冬天还在活动的捕猎者
Winter in the mountains returns fast and hits hard. 山里的冬天来得迅猛
So the tree soon carries a list of who's around, 所以树上很快会留有附近灰熊的气味
Mothers show the cubs what to do about this. 母熊给小熊们做了示范
But just now, the bears have something else on their minds. 但现在灰熊们还有其他事情要做
and the bears are keen to shed their thick winter coats. 灰熊急切地想脱下它们厚重的冬衣
So the bears must feed as fast as they can. 所以灰熊必须尽快进食