Ulminium

例句：

1. 1.The atomic bomb was made from uranium.
   原子弹是由铀制成的。
2. 2.Uranium is a rare and valuable metal.
   铀是一种稀有且有价值的金属。
3. 3. Uranium has been used in nuclear power plants for decades.
   铀几十年来一直用于核电站。