基因改造通过繁殖传播。

Gene modification is spread through reproduction.

youdao

那些合乎要求的品种可以通过繁殖或加速演化被进一步提高。

Those desirable traits can be further enhanced by breeding or accelerated evolution.

youdao

我们不得不怀疑，他试图与这些高智能种族结合是想通过繁殖来消除人类根深蒂固的愚蠢。

We imagine that he was trying to mate with more intelligent species in the hope of breeding out humanity's native stupidity.

youdao

This was not a naturally occurring attenuated virus as used in smallpox, but a virus that was attenuated in the laboratory, basically by propagating it in culture and looking for mutants that were formed as you propagated this virus under different experimental conditions.

这不是在制造天花疫苗时,使用的那种天然减毒病毒,而是一种在实验室中被人工弱化的病毒,基本上是通过在细胞中培养繁殖后,从这些培养出来的病毒中挑选出,不同实验环境下的变异体

耶鲁公开课 - 生物医学工程探索课程节选