“优生学”的英语可以翻译为：eugenics，[医] aristogenics，eugenetics，eugenic ...

优生学具有生物学上的意义.Eugenics has a biological significance.对 “ 积极 ” 优生学和 “ 消极 ” 优生学往往加以区分.A distinction is often made between " positive " and " negative " eugenics.消极优生学的范例是试图破坏一种对人体有害的隐性基因.An example of negative eugenics woul...