地质学家

例句：

1. 1. The geologist discovered a new species of plant in the Amazon rainforest.
   这位地质学家在亚马逊雨林发现了一种新的植物物种。
2. 2. He is a renowned geologist who has made significant contributions to our understanding of Earth's history.
   他是一位著名的地质学家，为我们对地球历史的了解做出了重大贡献。
3. 3. Geologists use advanced technology to study the earth's crust and mantle.
   地质学家使用先进的技术来研究地球的地壳和地幔。