astrobiologist
🇺🇸
/ˌæstrəʊbaɪˈɑːlədʒɪst/
🇬🇧
/ˌæstrəʊbaɪˈɒlədʒɪst/
A scientist who studies the possibility of life existing on other planets and in outer space.
The astrobiologist presented findings on potential microbial life on Mars.
这位天体生物学家展示了关于火星上潜在微生物生命的研究结果。