Enriched uranium is a key component of a nuclear weapon.

浓缩铀是核武器的一个关键组成部分。

《柯林斯英汉双解大词典》

If somebody knows you have a nuclear weapon in your house, they're going to think twice about breaking in.

如果知道你家里有核武器，他们在破门而入之前肯定会再三考虑。

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They know that they will be treated differently if they can prove they have a nuclear weapon.

他们知道如果能证明自己拥有核威慑力，整个世界就会用另一种态度来对待他们。

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"As the only nuclear power to have used a nuclear weapon, the United States has a moral responsibility to act.

VOA: special.2009.04.11

Western nations are concerned that Iran could use the missile technology to launch a nuclear weapon, which Iran is suspected of building.

VOA: special.2009.02.07

The president said groups like al-Qaida would surely use a nuclear weapon if they got one.

VOA: special.2010.04.17

No one should be surprised that Iran is on the cusp of having a nuclear weapon.

CENTERFORSECURITYPOLICY: No more surprises

Such a purchase would substantially shorten the time before Iran could have a nuclear weapon.

CENTERFORSECURITYPOLICY: Next Steps in the Iran Crisis

We are committed to ensuring that the Iranians do not acquire a nuclear weapon.

WHITEHOUSE: Press Briefing