沙克尔顿、斯科特和阿蒙森等人以他们巨大的英雄主义，使一个新大陆从阴影中浮现，但那个英雄时代，一个多世纪前，已经一去不复返了。

By their tremendous heroism, men such as Shakleton, Scott, and Amundsen caused a new continent to emerge from the shadows, and yet that heroic age, little more than a century old, is already passing.

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疟疾使整个非洲大陆蒙上了可怕的阴影。

Malaria casts a terrible shadow across the African continent.

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疟疾使整个非洲大陆蒙上了可怕的阴影。

Malaria casts a terrible shadow across the African continent.

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