eugenics [ju:ˈdʒenɪks]以下由轻松背单词网站提供
单词级别扩展级基本释义n.优生学英英释义the study of methods of improving humans by allowing only carefully chosen people to reproduce参考例句Eugenics has a biological significance.优生学具有生物学上的意义。A distinction is often made between "positive" and "negative" eugenics.对“积极”优生学和“消极”优生学往往加以区分。 推荐阅读 |