同型结合地

例句：

1. 1. The scientists are studying the isotopes of uranium in their experiments.
   科学家们正在他们的实验中研究铀的同位素。
2. 2. The discovery of new isotopes has revolutionized our understanding of the periodic table.
   新同位素的发现已经改变了我们对周期表的理解。
3. 3. The team used isotopes to track the movement of water molecules in the soil.
   团队使用同位素来追踪土壤中水分子的运动。