The girl gave off an aura of distinct dottiness.

这姑娘身上明着一种疯疯癫癫劲。

Quantum dottiness The dot's tiny size, though, constrains the wavelength, and thus the colour, of the light the electrons can re-emit.

然而，量子点尺寸限制了电子可以重新发射光波长，从而限制了颜色。