单词	American centaury
释义	American centaury noun : either of two pink-flowered marsh plants (Sabbatia angularis and S. stellaris) of the eastern U.S. resembling the true centaury Word History First Known Use 1803, in the meaning defined above
随便看	raying Rayleigh Rayleigh disk Rayleigh equation Rayleigh scattering Rayleigh wave Rayleigh-Jeans law rayles rayless rayless chamomile rayless goldenrod raylessness raylessnesses raylet raylets raylike rayon rayonism rayonnant rayons rays Raytown raze razed razee

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