优生学家

例句：

1. 1. He is an expert in the field of genetics, specializing in eugenics.
   他是一位专门从事优生学的遗传学专家。
2. 2. The university has a strong faculty of geneticists and eugenicists.
   该大学拥有强大的遗传学和优生学教师团队。
3. 3. The government's plan to promote genetic engineering was met with widespread opposition from scientists and scholars.
   政府推动基因工程的计划遭到了科学家和学者的广泛反对。