115 篇文章
So far, more than 350 miles of underwater galleries in the Yucatan have been mapped,
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So far, more than 350 miles of underwater galleries in the Yucatan have been mapped, 人们迄今为止已绘制了350英里的 尤卡坦半岛地下水系图

that sometimes go on for miles.
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that sometimes go on for miles. 有的甚至深达数英里

Beneath our feet are countless miles of cave shafts and passages.
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Beneath our feet are countless miles of cave shafts and passages. 我们脚下有着绵延不绝的洞窟和隧道

one and a half miles across.
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one and a half miles across. 宽幅达1.5英里

Eventually, over 4,000 miles from its source,
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Eventually, over 4,000 miles from its source, 最终 在经过4000英里的流程之后

400 miles long and over a mile deep, Baikal contains one fifth of all the fresh water found in our planet's lakes and rivers.
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400 miles long and over a mile deep, Baikal contains one fifth of all the fresh water found in our planet's lakes and rivers. 贝加尔湖长400英里 深度超过1英里 其中淡水储量占到了全球江河湖泊淡水总量的1/5

and at its widest it's 17 miles across.
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and at its widest it's 17 miles across. 最宽的地方达17英里

battle their way for hundreds of miles upstream.
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battle their way for hundreds of miles upstream. 奋力逆流而上数百英里

it will travel hundreds of miles to the sea.
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it will travel hundreds of miles to the sea. 行程数百英里回到大海

Mount Everest, five and a half miles above sea level and still rising - the roof of our world.
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Mount Everest, five and a half miles above sea level and still rising - the roof of our world. 海拔5.5英里的世界屋脊 ——珠穆朗玛峰仍在不断升高