eugenicist

例句：

1. 1. He is a eugenicist who advocates for the use of genetic engineering to improve human health.
   他是一位提倡使用基因工程来改善人类健康的优生学家。
2. 2. The government has been criticized for its eugenicist policies that target certain groups.
   政府因其针对特定群体的优生政策而受到批评。
3. 3. Eugenicists argue that selective breeding can lead to better offspring and healthier populations.
   优生主义者认为，选择性育种可以导致更好的后代和更健康的人口。