Eugenics , these days , is a dirty word .

现在，优生学不是个得体的词。

Needless to say , murtaugh and schlax are not advocating eugenics .

不用说，莫塔夫及施莱科斯并不是在提倡优生。

While he enjoyed the job , he apparently had way too much spare time to think about non-physics related things . Like eugenics .

尽管他很享受这份工作，但他明显花费了太多的空余时间来思考与物理不相关的事物，例如：优生学。

People must be prepared for this possibility , and ready to resist the excesses of racialism , nationalism and eugenics that some are bound to propose in response .

人们必须做好准备，应对这种可能性的出现，并准备好抵制注定要做出回应的种族主义、国家主义和优生学等愈演愈烈。

Whenever biology meets behaviour the spectre of social darwinism and eugenics looms menacingly in the background .

无论何时用生物学解释行为，社会达尔文主义和优生学的幽灵就会在这种背景下浮出水面。