Modified organisms may interbreed with natural organisms and out-compete them, leading to extinction of the original organism or to other unpredictable environmental effects.
被改造过的生物体和自然生物体混配，从而更具竞争力，使原有物种走向灭绝，或给环境带来未知的影响。
Aside from supporting synthetic pesticides and fertilizers, they've focused their ire lately on critics of genetically modified organisms.
除了支持化学合成农药和化肥之外，他们最近在评论基因改良有机作物时表示了不满。
There is first a question of principle—namely whether it can ever be sensible to release genetically modified organisms to achieve an end like this.
首先是原则上的问题，也就是说释放基因改造生物来达到这样的结果，这样的做法是否明智。
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