exobiologist

例句：

1. 1.He is an expert in the field of exobiology.
   他在外星生物学领域是个专家。
2. 2. The team consists of several exobiologists who have made significant contributions to our understanding of extraterrestrial life.
   这个团队由几位对外星生命有重大贡献的外星生物学家组成。
3. 3.The exobiologist believes that there might be intelligent life beyond Earth.
   这位外星生物学家认为，地球之外可能存在智能生命。