plutonia

例句：

1. 1. The plutonium isotope has been used in nuclear reactors for decades.
   几十年来，这种钚同位素一直用于核反应堆。
2. 2. The scientists are studying the effects of plutonium on human health.
   科学家们正在研究钚对人类健康的影响。
3. 3. The plutonium isotope was discovered by accident during a nuclear test.
   钚同位素是在一次核试验中意外发现的。