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汉语拼音：yōu shēng

运用科学方法生育素质优良的孩子：提倡少生、～，控制人口数量，提高人口素质。

1. 有利于生存者。

   《荀子·礼论》：“故变而饰，所以灭恶也；动而远，所以遂敬也；久而平，所以优生也。”

2. 生育的孩子素质优良。

   《人民日报》1982.3.14：“中共中央、国务院要求继续提倡晚婚、晚育、少生、优生，以控制人口数量，提高人口素质。”

• Good study techniques help him to be one of the straight A students in his class.

  良好的学习技巧使他成为班上的全优生之一。

• Lisa had always been a straight-A student until her junior year, when she had to hold down two part-time jobs to pay her tuition.

  莉萨一直是全优生，直到大学三年级，那时她不得不做两份兼职来付学费

• To do something for oneself is often easier than getting someone else to do it.

  亲自做一些事情往往比叫别人优生还容易些。

• The conclusion has no objectivity though it has pointed out the mistake of eugenics in history.

  这样的一种结论虽指出了优生学在发展过程中的许多错误，但缺少历史的客观性。

• Mr Walker grew up to be a gifted student who filled his parents and teachers with high hopes.

  沃克逐渐成长为一个资优生，父母和老师都对他寄予厚望。

• One of its major shareholders, J. D. Rockefeller, had directly funded Nazi eugenics experiments before the war.

  其主要股东之一，法学博士洛克菲勒，战前就直接资助了纳粹优生学实验。

• The thinking behind eugenics is still present. Many senior geneticists point to a genetically engineered future.

  因为优生学背后的思想依然存在，许多资深遗传学家都指望，未来是一个基因工程决定一切的世界。

• It's not always a good idea to draw social policy directly from the lab; the eugenics movement was hardly biology's finest hour.

  从实验室里直接制定社会政策不总是一个好办法；优生优育活动也不会跟生理的最佳时机吻合。

• But, like the deliberate eugenics experiments of the 20th century, it has also exacted a terrible price.

  但是，如同发生在20世纪的人为的优生实验一样，它同样让他们付出了可怕的代价。