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	seals seals in seals off sealskin sealskins sealstone sealwort sealy Sealyham terrier sealyhams seam seam binding seam blasting seam face seam roller seam set seam squirrel seam strap seam strip seam weld seam welding seam-rent seaman seaman apprentice seaman gunner

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