can

1054 篇文章
bamboo shrimps can just sit and sift out passing particles with their fan-like forearms.
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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

The mother can wait no longer -
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The mother can wait no longer - 母鹤可不能等得太久

Those that succeed can stand for only a few moments on its summit.
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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.'
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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”

nothing can live permanently.
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nothing can live permanently. 没有什么生物能在此永久生存

they can always descend to lower warmer altitudes
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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.
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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.
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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.
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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

and even she can have problems.
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and even she can have problems. 但即使是母熊也已是举步艰难