light wavelength

• 光的波长

light wavelength的用法和样例：

例句

1. Stars emit light which contains only certain characteristic wavelengths.
   恒星发出的光只含有特定的波长。
2. Fighting gravitational clumping would take a wavelength of a few dozen light-years.
   为了对抗重力造成的聚集，这些粒子的波长可能会长达好几十光年的距离。