因此，更多的重氧同位素留在了海洋里，并被海洋有机物吸收。

Thus, more of the heavy isotope is left behind in the ocean and absorbed by marine organisms.

youdao

利用同位素对矿物质zh锶(这种矿物由人体从植物中吸收)的对比发现，他应该在地中海地区出生并长大。

And an isotopic comparison of the mineral strontium, which is absorbed by the body from plants, revealed that he was born and grew up in the Mediterranean.

youdao

也可以采用特殊同位素放疗，特殊同位素放疗会被性内分泌肿瘤细胞吸收。如果肿瘤转移了，非常有效。

There's also radiotherapy with special isotopes that will be absorbed by the endocrine tumor cells that helps a lot if the tumor is metastatic.

youdao