They have done nothing to reassure the international community that they are prepared to comply with the NPT or stop their progress toward a nuclear weapon.

他说：“他们没有做出任何行动来向国际社会保证他们将遵循《不扩散核武器条约》，或者他们会停止制造核武器的进程。”

youdao

A normal person thinks about the gruesome and tremendous destruction that a nuclear weapon would wreak, and thinks-reasonably-that no one could court such a fate.

对于一个普通人来说，当想到核武器时，会想到的是它所能带来的可怕的巨大破坏力，并理所当然的认为，不会有人愿意接受这样的一种命运。

youdao

In addition to other effects, a nuclear weapon detonated in or above the earth's atmosphere can create an electromagnetic pulse (EMP), a high-density electrical field.

除了其他影响，在地球大气层中或之上引爆的核武器会产生一种电磁脉冲(EMP)，这是一种高强度的电场。

youdao

"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

The world has gone over sixty years without another detonation of a nuclear weapon in warfare.

CENTERFORSECURITYPOLICY: A Nuclear Iran: The Case for Action

He will take every action necessary to ensure that Iran does not acquire a nuclear weapon.

WHITEHOUSE: The White House

Indeed, the entire world has an interest in preventing Iran from acquiring a nuclear weapon.

WHITEHOUSE: President Obama at 2012 AIPAC Policy Conference