for

2064 篇文章
The main body of these dunes may not have shifted for 5,000 years.
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The main body of these dunes may not have shifted for 5,000 years. 这些沙丘的主体 可能已有5000多年未曾移动

But they will not do so for much longer.
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But they will not do so for much longer. 但它们也坚持不了多久

For insects the bombardment can be very severe indeed.
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For insects the bombardment can be very severe indeed. 而昆虫则得遭受猛烈“炮火”的轰击

and reduce visibility for days over areas the size of Britain.
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and reduce visibility for days over areas the size of Britain. 所到之处能见度骤降为零 几天内横扫的地区比英国还大

leaving little for the land on the other side.
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leaving little for the land on the other side. 只有一小部分到达另一边的土地

Winter is the time for breeding.
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Winter is the time for breeding. 冬季是交配繁殖的时节

for filling the stomach with snow could be fatal.
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for filling the stomach with snow could be fatal. 因为肚子里装满雪将是致命的

The air is just too cold and too dry for it to do so.
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The air is just too cold and too dry for it to do so. 又冷又干的空气使它们无法解冻

The salamander might not encounter food for several months,
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The salamander might not encounter food for several months, 童态河溪螈可能 已有几个月没有吃东西了

so these species must have been isolated for a very long time.
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so these species must have been isolated for a very long time. 所以这些物种必定 与世隔绝了相当长的一段时间