Temperatures can drop below minus 50 degrees. 温度会降至零下50度以下 Only those built for the cold can survive. 只有为寒冷而生的生物才能存活 A bison's thick coat is such good insulation, 野牛厚厚的皮毛是出色的隔热材料 they need little energy to keep warm... 所以它们不需要多少能量 就能保持温...
it still endures some of the same freezing conditions that an ice age brings. 这里仍经受着 冰河时代带来的冰冻状态 Temperatures can drop below minus 50 degrees. 温度会降至零下50度以下 Only those built for the cold can survive. 只有为寒冷而生的生物才能存活 A bison's thick coat i...
Yellowstone is one of the coldest places in America. 黄石国家公园 是美国最寒冷的地方之一 In winter, 在冬季 it still endures some of the same freezing conditions that an ice age brings. 这里仍经受着 冰河时代带来的冰冻状态 Temperatures can drop below minus 50 degrees. 温度会降至零下50度...
In winter, 在冬季 it still endures some of the same freezing conditions that an ice age brings. 这里仍经受着 冰河时代带来的冰冻状态 Temperatures can drop below minus 50 degrees. 温度会降至零下50度以下 Only those built for the cold can survive. 只有为寒冷而生的生物才能存活 A bison'...
This is the story of a great freeze 本集讲述的是大冰冻的故事 and the rise of a dynasty 以及一个王朝的兴起 that would bring life to the brink of extinction. 将生命推向灭绝边缘 Yellowstone is one of the coldest places in America. 黄石国家公园 是美国最寒冷的地方之一 In winter, 在冬季 it still...
that would bring life to the brink of extinction. 将生命推向灭绝边缘 Yellowstone is one of the coldest places in America. 黄石国家公园 是美国最寒冷的地方之一 In winter, 在冬季 it still endures some of the same freezing conditions that an ice age brings. 这里仍经受着 冰河时代带来的冰...
and the rise of a dynasty 以及一个王朝的兴起 that would bring life to the brink of extinction. 将生命推向灭绝边缘 Yellowstone is one of the coldest places in America. 黄石国家公园 是美国最寒冷的地方之一 In winter, 在冬季 it still endures some of the same freezing conditions tha...
So when the Ice Age hit two and a half million years ago, 所以 2500万年前 当冰河时代突然袭来之时 its impact was huge. 影响巨大 This is the story of a great freeze 本集讲述的是大冰冻的故事 and the rise of a dynasty 以及一个王朝的兴起 that would bring life to the brink of extinction...
its impact was huge. 影响巨大 This is the story of a great freeze 本集讲述的是大冰冻的故事 and the rise of a dynasty 以及一个王朝的兴起 that would bring life to the brink of extinction. 将生命推向灭绝边缘 Yellowstone is one of the coldest places in America. 黄石国家公园 是美国最寒冷的地方...
it has been too warm for ice to form. 温度都太高 无法形成冰冻 So when the Ice Age hit two and a half million years ago, 所以 2500万年前 当冰河时代突然袭来之时 its impact was huge. 影响巨大 This is the story of a great freeze 本集讲述的是大冰冻的故事 and the rise of a dynasty 以及一个王朝的...