noun🔗Share波长 The length of a single cycle of a wave, as measured by the distance between one peak or trough of a wave and the next; it is often designated in physics as λ, and corresponds to the velocity of the wave divided by its frequency."Different colors of light have different wavelengths, with red light having longer wavelengths than blue light. "不同颜色的光有不同的波长,比如红光的波长比蓝光更长。physicsfrequencysoundenergytechnicaltechnologyChat with AIVocabulary GamePractice Reading