He claims that several countries have developed nuclear weapons secretly.

他声称几个国家已经秘密开发了核武器。

《柯林斯英汉双解大词典》

Iran says its nuclear program is necessary to provide civilian energy for the country, but other countries have voiced concern that its true purpose is to produce nuclear weapons.

伊朗说他的核计划是提供国内民用能源所必须的，但是其他国家声称注意到其的真正目的是在制造核武器。

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We both have an interest in ensuring that the region is stable and secure, and in preventing the spread of nuclear weapons, which threatens the security of both of our countries.

在确保该地区的稳定和安全，以及防止威胁我们两国安全的核武器扩散方面，我们都有利益。

youdao

"Get real about the danger that we face if we have North Korea, Iran,and other countries with nuclear weapons and we give up our own."

VOA: standard.2010.04.23

It essentially says: Those countries that have nuclear weapons can keep them, but no one else can join the club.

CENTERFORSECURITYPOLICY: Test-Ban Trap

We still have issues of how can we reduce nuclear weapons among those countries that currently have nuclear weapons, consistent with the long-term obligations of the NPT.

WHITEHOUSE: President Obama and President Lee Hold a News Conference

If politicians in newly-nuclear countries make the investments needed to ensure that they will have nuclear weapons even after a first strike, their neighbours will get ever more scared.

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