An ion is a charged atomic particle, by pushing ionic liquid which is basically a molten salt into this chip the size of a penny, billions of ions can be discharged at mind boggling velocities.
离子是一种带电的原子粒子。我们将离子液体——基本上是一种熔融盐——装进这个只有一便士小的芯片中,那么数十亿的离子便能以惊人的速度释放出来。