另一个美国的亲近盟国家迦纳(Ghana)，最近也发现油矿。

Ghana, a close American ally, has also recently found oil.

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于是她发现沥青油矿，它的放射性要比铀本身还要强。

Then she found that pitchblende was more radioactive than uranium by itself.

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任何新的油矿发现都将花费数年才能开发出来。

Any new discovery would take years to exploit.

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