Greenhouse gases such as carbon dioxide absorb infrared radiation, trapping some of the re-radiated heat.
二氧化碳等温室气体吸收红外辐射，捕获一些再辐射的热量。
英语百科
Radiation trapping
Radiation trapping, imprisonment of resonance radiation, radiative transfer of spectral lines, line transfer or radiation diffusion is a phenomenon in physics whereby radiation may be "trapped" in a system as it is emitted by one atom and absorbed by another.