feeblemindedness meaning in English

低能
精神缺乏
智力薄弱
智力低下

By analyzing the historical materials related to the translation for the kallikak family : a study in the heredity of feeblemindedness , we found that the theory and practice of eugenics were entangled with complicated marriage ethics when it was introduced into modem china
摘要通过对与《善恶家族》一书翻译有关的史料分析，我们了解到近代优生学被引入中国时，其理论与实践和复杂的婚姻道德价值判断纠缠在一起。