Thirdly, it is our concern that terrorists are more likely to acquire biological and chemical weapons rather than nuclear weapons, which are difficult even for States to develop.
第三，我们感到关切的是，恐怖分子获得生物和化学武器的可能性超过获得核武器的可能性，因为即使对国家而言，研发核武器也是困难的。