可以用来制造武器的铀有95%是235U。

Weapons-grade uranium is 95% 235U.

youdao

而且核能发电的技术和材料，总是可以拿来误用或滥用，制造武器。

Meanwhile technologies and materials acquired to keep the lights on can be misused in weapons.

youdao

它威胁说要重建宁边核设施并重新开始制造武器级别的钋。

It threatens to rebuild Yongbyon and start making weapons-grade plutonium again.

youdao

I also talked last time about smallpox and the perceived need to produce more smallpox vaccine in the event that smallpox is used as a weapon in 2002.

上次我也谈论过了天花,以及在二零零二年天花被当作武器使用时,制造出更多天花疫苗的必要性

耶鲁公开课 - 生物医学工程探索课程节选