herpetologist

例句：

1. 1. Dr.Smith is a renowned herpetologist who has made significant contributions to the field.
   史密斯博士是一位著名的爬行动物学家，他在该领域做出了重大贡献。
2. 2.The herpetologist conducted an extensive study on the behavior of snakes in captivity.
   这位爬行动物学家对蛇在笼中的行为的进行了广泛的研究。
3. 3. Herpetology is an interdisciplinary field that combines biology with other sciences to study reptiles and amphibians.
   爬行学是一门跨学科领域，将生物学与其他科学相结合来研究爬行动物和两栖动物。