bamboo shrimps can just sit and sift out passing particles with their fan-like forearms. 拟匙指虾只需趴在河底 用它们的扇形前臂从流水中过滤出食物颗粒
Those that succeed can stand for only a few moments on its summit. 而成功的人们也只能在峰顶短暂逗留
The Nepalese call it 'a mountain so high no bird can fly above it.' 尼泊尔人称之为 “一座高得连鸟也飞不上去的山峰”
they can always descend to lower warmer altitudes 便会搬迁到温暖的低海拔地区
that few except the most skilled mountaineers can penetrate these ranges. 纵使最有经验的登山运动员 也很难征服这些高山
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
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