单词	氡放射
释义	氡放射radon emission
随便看	reciprocal scaling reciprocal self-disclosure reciprocal sensibility reciprocal series reciprocal shareholding reciprocal sight reciprocal sonde reciprocal space reciprocal space lattice reciprocal spacing reciprocal spectrum reciprocal spiral reciprocal spreading reciprocal square root reciprocal strain ellipsoid reciprocal substitution reciprocal symbiosis reciprocal system reciprocal table reciprocal tariff reciprocal tariff reductions reciprocal tariff treaty reciprocal teaching reciprocal theorem reciprocal theorem for deflection