dialectologist

例句：

1. 1.He is a renowned dialectologist who has made significant contributions to the study of English dialects.
   他是一位著名的方言学家，对英语方言的研究做出了重要贡献。
2. 2. The dialectologist's research on regional variations in speech helped to shed light on the cultural differences between different regions.
   这位方言学家对语音区域差异的研究有助于揭示不同地区之间的文化差异。
3. 3.The dialectologist's work has been instrumental in promoting awareness of regional dialects and their significance in understanding the history and culture of various communities.
   这位方言学家的工作对于提高人们对地区方言的认识以及理解不同社区的历史和文化具有重要意义。