1.So this doorknob, unmodified, can become a gesture sensor.

所以这个门把手，未经修改，可以成为一个手势传感器。机翻

2.Mating with an infertile male is therefore not only fruitless in itself, but should also leave a female less interested in unmodified males in future.

因此，与不育的雄性交配不仅徒劳无功，而且还会在未来让雌性对未改动的雄性失去趣。

3.Flipping the experiment around, neurons modified to produce more of the protein than usual had a stroke survival rate 31% higher than their unmodified counterparts.

再将该实验反过来进行，经改良比平常产生更多蛋白质的神经元的中率比未经改良的高出31％。

4.Astonishingly, an unmodified Doble Model E runs clean enough to pass the emissions laws in California today, and they are pretty strict.

令惊讶的是，未经改装的Doble E型车排放足够低，可以满足当今加州严格的排放法规。机翻

5.If in the greenhouse, we can see that the genetically modified plant is yielding more than the unmodified one, then we have the acid test saying, does this actually provide a higher yield on our experimental farm?

如果在温室里， 我们可以看到转基因植物比未转基因植物产量更高，那么我们就可以进行酸测试， 这是否真的为我们的实验农场提供了更高的产量？机翻