At these altitudes, mammals must feed regularly to keep warm. 海拔如此之高 哺乳动物必须定时进食以保持体温
they can always descend to lower warmer altitudes 便会搬迁到温暖的低海拔地区
Their thick fur allows them to survive at greater altitudes than any other monkey 它们有厚实的毛发 所以能比其它猴类更能适应高海拔气候
At high altitudes the monsoon rains fall as snow. 高海拔地区的季风雨变成了雪