单词	radioactive gold
释义	radioactive gold 放射性金
随便看	simple harmonic motion simple-harmonic motion simple harmonic motion cam simple harmonic motions simple harmonic motionshm simple harmonic motion shm simple harmonic motion, SHM simple harmonic motion type simple harmonic oscillation simple harmonic oscillation with damping simple harmonic oscillator simple harmonic periodic change simple harmonic periodic load simple harmonic plane simple harmonic quantity simple harmonic vibration Simple harmonic vibration rotation band simple harmonic wave simple-harmonic wave simple harmonic waves simple-harmonio vibration simple harmony simplehead simple header boiler simple heart