放射性核

例句：

1. 1. The scientist discovered a new type of radioactive nuclide that could be used in medicine.
   科学家发现了一种可用于医学的新放射性核素。
2. 2. The research team focused on studying the properties of radioactive nuclides.
   研究小组专注于研究放射性核素的性质。
3. 3. The discovery of this radioactive nuclide has sparked interest in its potential applications in various fields.
   这种放射性核素的发现激发了人们对于其在各个领域潜在应用的兴趣。