Western members of the U.N. Security Council are pushing for a fourth round of sanctions against Iran, which many nations suspect is trying to develop nuclear weapons.

联合国安理会成员中的西方国家主张对伊朗开始第四轮的制裁，因为普遍认为伊朗正在研制核武器。

youdao

As the physics of nuclear weapons is more widely understood, and as precision technology is more easily obtained, many countries-perhaps 40 now-could in theory develop nuclear weapons.

随着制造核武器的物理知识的日益普及，以及制造核武器的精密技术愈来愈容易获得，许多国家—目前约有40个国家—从理论上说有能力制造核武器。

youdao

Even though this hypothetical should be of great concern, it is far from the nightmare nuclear domino effect, which by definition requires many more countries to speedily develop nuclear weapons.

即使这一假定应该值得关注，但离核武器多米诺效应的恶梦还很遥远，因为根据多米诺定义，必须有多国都迅速开发核武器。

youdao

"I firmly believe it is in Iran's interest not to develop nuclear weapons, because it would trigger a nuclear arms race in the Middle East and be profoundly destabilizing in all sorts of ways."

VOA: special.2009.05.23

Washington and others are concerned Iran is trying to develop nuclear weapons, while Tehran says its nuclear program is for peaceful purposes.

VOA: standard.2009.11.15

But the United States and many other western nations believe Iran's real aim is to develop nuclear weapons.

VOA: standard.2009.09.25

There would also be sanctions against states leaving the treaty to develop nuclear weapons.

BBC: Nuclear review talks face competing aims

The Obama administration consistently says that Iran should not be allowed to develop nuclear weapons.

WSJ: Has Obama Turned on Israel?

International powers suspect Iran of seeking to develop nuclear weapons - a charge Iran strongly denies.

BBC: Obama Nowruz message: Iran must 'reduce nuclear tension'