homodetrinite

例句：

1. 1. The isotope of uranium has been used in nuclear power plants.
   同位素铀已被用于核电站。
2. 2. The thorium-uranium isotope ratio is a crucial factor in determining the age of rocks.
   钍-铀同位素比是确定岩石年龄的关键因素。
3. 3. The discovery of new isotopes of uranium and thorium has opened up new possibilities for energy research.
   发现新的铀和钍同位素为能源研究开辟了新的可能性。