plutonium bomb

例句：

1. 1.The scientists used plutonium bombs to test the new technology.
   科学家们使用钚弹来测试这项新技术。
2. 2. The plutonium bomb was a powerful weapon that could destroy entire cities.
   钚弹是一种强大的武器，可以摧毁整个城市。
3. 3. The plutonium bomb was a major source of concern for the international community.
   钚弹是国际社会的主要关注点。