单词	diamond
释义	diamonddiamond /ˈdaɪmənd, ˈdaɪə-/ ●●○ S3 noun Etymology ETYMOLOGYdiamond Origin: 1200-1300 Old French diamant hard metal, diamond, from Greek adamas 1 [countable, uncountable] a clear, very hard valuable stone, used in jewelry and in industry:  a diamond necklace2[countable] a shape with four straight sides of equal length that stands on one of its points:  Cut the cookie dough into diamonds.3[countable] a)the area in a baseball field that is within the diamond shape formed by the four bases b)the whole playing field used in baseball4a)diamonds one of the four types of cards in a set of playing cards, which has the shape of a red diamond on it:  the two of diamonds b)[countable] a card with this shape on it:  Play a diamond.5a diamond in the rough someone or something that has the possibility of being good, valuable, or attractive, but needs improvement [Origin: 1200–1300 Old French diamant hard metal, diamond, from Greek adamas]
随便看	hepatic hepatitis Hepburn, Katharine Hephaestus heptagon heptagonal heptathlon her Hera Heraclitus Herakles herald heraldic heraldry herb herbaceous herbal herbalist herbal medicine herb garden herbicide herbivore herbivorous Herculean Hercules

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