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5341 篇文章
a 1,000 mile scar clearly visible from space.
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a 1,000 mile scar clearly visible from space. 在太空中也能清楚地看到 这条长达1000英里的沟壑

to create a gigantic canyon.
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to create a gigantic canyon. 形成一个巨大深邃的峡谷

It's over a mile deep
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It's over a mile deep 它的深度超过1英里

is greater than any other stage in a river's life.
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is greater than any other stage in a river's life. 在河流扮演的角色中 这才是最主要的

A grizzly bear.
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A grizzly bear. 一只灰熊

they're still held by a silicon safety line.
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they're still held by a silicon safety line. 它们还有一根坚韧的“安全索”

it's blown away as a fine mist.
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it's blown away as a fine mist. 便已被吹散成雾霾

Its waters drop unbroken for almost a thousand metres.
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Its waters drop unbroken for almost a thousand metres. 流水不间断地从将近1000米的高处落下

There is a tropical downpour here almost every day of the year.
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There is a tropical downpour here almost every day of the year. 这里全年几乎每天都会降下热带暴雨

this is a desperate race against worsening weather.
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this is a desperate race against worsening weather. 这是一场与恶劣气候的死亡赛跑