has

637 篇文章
Yet the nightly onslaught has little impact on bat numbers -
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Yet the nightly onslaught has little impact on bat numbers - 然而 每天傍晚的攻击只会 对蝙蝠数量产生很小的影响

In Borneo, rain has sculptured the limestone into extremely sharp-sided pinnacles.
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In Borneo, rain has sculptured the limestone into extremely sharp-sided pinnacles. 在婆罗洲 雨水已将石灰岩 雕凿成无比尖削的石塔

But the dissolving power of rainwater has other, much more dramatic effects underground.
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But the dissolving power of rainwater has other, much more dramatic effects underground. 不过在地下 雨水的溶解作用 还能产生其它更壮观的效果

Any animal that lives in a cave has to cope with complete blackness,
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Any animal that lives in a cave has to cope with complete blackness, 住在洞穴里的动物都必须 适应彻底黑暗的环境

their fresh water has brought life and abundance to planet Earth.
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their fresh water has brought life and abundance to planet Earth. 淡水为地球带来了无数生机与富饶

This river has cut the world's longest canyon system -
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This river has cut the world's longest canyon system - 这条河冲蚀出了世界上最长的峡谷系

Arizona's Colorado river has eaten away at the desert's sandstone
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Arizona's Colorado river has eaten away at the desert's sandstone 亚利桑那州的科罗拉多河 冲走了大量沙石

has bushy gills to extract oxygen from the current.
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has bushy gills to extract oxygen from the current. 并依靠浓密的鳃从水中过滤氧气

and the eagle has to struggle to control it.
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and the eagle has to struggle to control it. 金雕不得不努力控制飞行

By midsummer its larger, more famous relative, has retreated into a cave.
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By midsummer its larger, more famous relative, has retreated into a cave. 到了仲夏 它那更大更有名的亲戚 便会躲进山洞