syntopy

例句：

1. 1. The scientist discovered a new type of syntopy in the ocean.
   科学家在海洋中发现了一种新的同位素。
2. 2. The isotopes were used to study the origin of the earth's crust.
   这些同位素被用来研究地球地壳的起源。
3. 3. The discovery of this syntopy has sparked interest in alternative energy sources.
   这种同位素的发现激发了对替代能源的兴趣。