re-emit
verb [ T or I ] physics specialized (also reemit) uk/ˌriː.ɪˈmɪt/ us/ˌriː.ɪˈmɪt/ -tt-
再发射（光线、噪音、气味、气体等）
to send out a beam, noise, smell, or gas for a second, third, etc. time
The fallen trees decay and re-emit stored CO2 into the atmosphere.
Soot has a warming effect, because its dark surface absorbs and reemits heat. 烟尘有变暖作用，因为它的深色表面会吸收并重新释放热量。
- More examples
- The fluorescent particles absorb the incident laser radiation and reemit at a different wavelength.
- The photon will re-emit with a new emitting direction, again decided using the random sampling.
- A building’s fabric, and contents, have an ability to absorb moisture and heat during periods of excess and re-emit them during periods of deficiency.