The Illinois researchers made their electrode by coating a surface with tiny polystyrene spheres just a few hundred nanometers across, packing the spheres together into a regular lattice structure.
伊利诺伊大学的研究者们先在阴极表面镀上聚苯乙烯小球构成的镀层，这些小球只有几百个纳米大小。
2
They're crisper and thinner than regular fries, which means that they’re exposed to greater heat per surface area, killing pathogens and reducing water content.
麦当劳的薯条比一般的更脆也更薄，说明他们表面过油的时间也更长，杀灭了细菌原体也降低了水分含量。
3
They're crisper and thinner than regular fries, which means that they're exposed to greater heat per surface area, killing pathogens and reducing water content.