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。

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兴趣。

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风存活率比未经改良的高出31％。