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英汉例句

\ 优生学的例句（优生学在句子中的用法）

优生学的例句（优生学在句子中的用法）

An example of negative eugenics would be the attempt to eradicate a harmful recessive gene. 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.
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.
Eugenics has a biological significance. 优生学具有生物学上的意义.

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