Level 5 · word 6,787 of 20,000

wavelength

/ˈweɪvˌleŋkθ/ American
  • n. 波长
Definition
  • n. the distance between one point on a wave and the same point on the next wave
Example
Different colors of light travel at different wavelengths.
不同颜色的光以不同的波长传播。