weapon-grade uranium

例句：

1. 1. The new nuclear reactor uses weapon-grade uranium as fuel.
   新的核电站使用武器级铀作为燃料。
2. 2. The government has been working to reduce the amount of weapon-grade uranium in the country.
   政府一直在努力减少国家中的武器级铀数量。
3. 3. The scientists are studying the effects of weapon-grade uranium on human health.
   科学家们正在研究武器级铀对人类健康的影响。