fissiogenic isotope

例句：

1. 1.The study of fissiogenic isotope is essential for understanding the origin and evolution of life on Earth.
   研究成因同位素对于理解地球上生命的起源和演化至关重要。
2. 2.The discovery of a new fissiogenic isotope has opened up new possibilities for studying the chemical composition of ancient rocks.
   发现了一种新的成因同位素，为研究古代岩石的化学成分开辟了新的可能性。
3. 3. The team used this fissiogenic isotope to trace the movement of water across the landscape.
   该团队使用这种成因同位素来追踪水流穿过景观的运动。