"地理学家"的英文是"geographer".
来源：该词是由希腊语"geo"（地球）和"graphos"（描述）组成，意为"描述地球"。
例句：
The geographer studied the physical and human characteristics of the region.
(地理学家研究了该地区的物理和人类特征。)
She is a renowned geographer who has made significant contributions to the field of urban geography.
(她是一位著名的地理学家，在城市地理学领域做出了重要贡献。)
The geographer used satelpte images to map the changes in land use over time.
(地理学家使用卫星图像绘制了土地利用变化的时间图。)