allochemical rock

例句：

1. 1. The allochemical rockformations are a fascinating study of theEarth's history.
   同位素岩石的形成是研究地球历史的一个引人入胜的课题。
2. 2. The allochemical rock containstrace amounts of radioactive elements.
   同位素岩石含有放射性元素的微量。
3. 3. The allochemical rock was formed by the interactionbetween two different types of rocks.
   同位素岩石是由两种不同类型的岩石相互作用形成的。