单词	norbornane
释义	norbornane noun nor·​bornane (ˈ)nȯr+ : a bicyclic crystalline hydrocarbon C7H12 that is the parent compound of various terpenoids (as camphor and fenchone) and that is obtained by adding ethylene to cyclopentadiene under heat and pressure and then hydrogenating; 1,4-methano-cyclohexane; bicyclo[2.2.1]heptane called also norcamphane Word History Etymology nor- + bornane
随便看	crore crores cros Crosby crosier crosiered crosiers crosne crosnes cross cross (out) cross (up) cross action cross actions cross aisle cross and English bond cross and pile cross axle cross bearings cross bit cross bond cross brace cross bracing cross break cross bridging

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