colourful light

• 色光

colourful light的用法和样例：

例句

1. Frequency modulation is not possible with polychromatic light.
   多色光不可能调制频率。
2. However, these LEDs tend to produce white light with a cool, bluish tinge.
   然而，这些发光二极管只产生冷的带有蓝色光晕的白光。