29 篇文章
Just 10 metres beneath the ice,
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Just 10 metres beneath the ice, 就在离冰面10米以下的海底上

These jagged pyramids a hundred metres tall
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These jagged pyramids a hundred metres tall 这些高达100多米的锯齿般的石锥

Star dunes like these can be 300 metres high.
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Star dunes like these can be 300 metres high. 这些巨型沙丘高达300多米

The heaviest sand rises only a few metres above the ground,
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The heaviest sand rises only a few metres above the ground, 最重的沙子只能离开地面几米

but the dust can be blown 5,000 metres up into the sky.
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but the dust can be blown 5,000 metres up into the sky. 但是尘埃却能被吹上5000多米高的天空

when cavers dug through several metres of loose rock
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when cavers dug through several metres of loose rock 洞穴专家们在松散的岩层中 挖出了一条几十米深的通道

When the nearest exit may be hundreds of metres or more away,
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When the nearest exit may be hundreds of metres or more away, 最近的出口可能远在 几百米之外或者更远的地方

often more than 60 metres from the floor.
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often more than 60 metres from the floor. 通常高出地面60多米

so although this rocky escarpment in the United States is now hundreds of metres above sea level
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so although this rocky escarpment in the United States is now hundreds of metres above sea level 所以 尽管美国境内的这座石壁 如今矗立在海平面以上几百米高的地方

400 metres to the bottom,
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400 metres to the bottom, 深达400多米