but their bodies are rich in fat 但它们身体内富含脂肪 and can make all the difference in a bear's annual struggle for survival. 直接关系到灰熊每年冬天的生存能力 Another battle is being waged here 这里又开辟了一个新的战场 but on a much longer timescale. 可是不会持续多久 These loose ...
and can make all the difference in a bear's annual struggle for survival. 直接关系到灰熊每年冬天的生存能力 Another battle is being waged here 这里又开辟了一个新的战场 but on a much longer timescale. 可是不会持续多久 These loose boulders are the mountain's crumbling bo...
Yet they gather in some numbers on these apparently barren slopes. 然而却有一定数量的灰熊 聚集在这片不毛之地 They're searching for a rather unusual food - 它们正在寻找一种很特别的食物 moths. 飞蛾 Millions have flown up here to escape the heat of the lowlands 为了躲避低洼地带的炎热 数...
They're searching for a rather unusual food - 它们正在寻找一种很特别的食物 moths. 飞蛾 Millions have flown up here to escape the heat of the lowlands 为了躲避低洼地带的炎热 数百万只飞蛾抵达此地 and they're now roosting among the rocks. 栖身于岩石缝隙之中 Moths may seem a meager...
moths. 飞蛾 Millions have flown up here to escape the heat of the lowlands 为了躲避低洼地带的炎热 数百万只飞蛾抵达此地 and they're now roosting among the rocks. 栖身于岩石缝隙之中 Moths may seem a meager meal for a bear, 飞蛾似乎并不足以填饱熊的肚子 but their bodies are rich in fat...
Millions have flown up here to escape the heat of the lowlands 为了躲避低洼地带的炎热 数百万只飞蛾抵达此地 and they're now roosting among the rocks. 栖身于岩石缝隙之中 Moths may seem a meager meal for a bear, 飞蛾似乎并不足以填饱熊的肚子 but their bodies are rich in fat 但它们身体内富含脂...
It seems to be an odd creature to find on these high rocky slopes. 很奇怪这样的动物为何 会爬到如此高的碎石斜坡上 It's hard to imagine what could have attracted it here. 真不知道这里有什么吸引着它 At this time of the year bears should be fattening up for the winter. 在每年的这...
It's hard to imagine what could have attracted it here. 真不知道这里有什么吸引着它 At this time of the year bears should be fattening up for the winter. 在每年的这个时候 熊必须为越冬储备脂肪 Yet they gather in some numbers on these apparently barren slopes. 然而却有一定数量的...
At this time of the year bears should be fattening up for the winter. 在每年的这个时候 熊必须为越冬储备脂肪 Yet they gather in some numbers on these apparently barren slopes. 然而却有一定数量的灰熊 聚集在这片不毛之地 They're searching for a rather unusual food - 它们正在寻找一种很特别...
Only now can mountaineers reclaim the upper reaches. 山地动物只有此时才能 向更高的地方拓展疆土 Two miles up the crumbling precipices seem devoid of life. 两英里高的碎石崖上 似乎不可能有生命存在 But there are animals here - 可是那里仍有动物 a grizzly bear. 一只灰熊 It seems to be an odd crea...