teleradium

例句：

1. 1. The teleradeium is a powerful radioactive element with a half-life of 700,000 years.
   泰雷拉多姆是一种强大的放射性元素，半衰期为70万年。
2. 2. The discovery of teleradeium has sparked excitement in the field of nuclear physics.
   泰雷拉多姆的发现在核物理领域引起了兴奋。
3. 3. The teleradeium has been used in medical imaging for decades, but its long-term effects are still being studied.
   泰雷拉多姆在医学成像领域已经使用了几十年，但其长期影响仍在研究中。