单词	spherical trigonometry
释义	spherical trigonometry noun : trigonometry applied to spherical triangles and polygons Word History First Known Use circa 1728, in the meaning defined above
随便看	retieing reties retiform retighten retightened retightening retightens retile retiled retiles retiling retimber retime retimed retimes retiming retin- retina retinacula retinaculate retinaculum retinae retinal retinal detachment retinal purple

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