isotope exchange

例句：

1. 1.The process of isotopes exchange is crucial for understanding the origin of life on Earth.
   同位素交换过程对于理解地球上生命的起源至关重要。
2. 2. During the exchange of isotopes, the atoms are rearranged in a way that allows them to react with each other.
   在同位素交换过程中，原子被重新排列，以允许它们相互反应。
3. 3. The scientists used radioactive isotopes to study the movement of matter in the earth's crust.
   科学家们使用放射性同位素来研究地球地壳中物质的运动。