But stars like our sun swell into bloated red giants when the nuclear fuel in their cores is depleted.

但是，像太阳这样的恒星，当核心的核燃料耗尽时，就会发生膨胀，成为胀大的红巨星。

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In 1995, Sweden launched a project to study ways to store depleted fuel from its 10 nuclear plants.

1995年，瑞典发起了一个项目，研究如何存储来自其境内10个核电厂耗尽的燃料。

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In a few million years, as one of the central stars becomes further depleted of nuclear fuel, the Red Rectangle nebula will likely bloom into a planetary nebula.

在未来的数百万年中，其中心恒星中的一个会耗尽其核反应能源，到时候红矩形星云很可能会变成一个行星状星云。

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The MOX facility will blend surplus weapon-grade plutonium with depleted uranium oxide to make mixed oxide fuel for use in existing nuclear power plants.

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