单词	hemisphere
释义	hemispherehemisphere /ˈhɛməˌsfɪr/ ●○○ noun [countable] Etymology ETYMOLOGYhemisphere Origin: 1500-1600 Latin hemisphaerium, from Greek, from hemi- half + sphairion small sphere 1 earth science, geography one of the halves of the Earth, especially the northern or southern parts above and below the equator:  the Northern hemisphere → see also Western Hemisphere2science, biology one of the two halves of your brain3math, geometry half of a sphere (=an object which is round like a ball) that is made by a plane going through the center of the sphere
随便看	ordered pair order form orderliness orderly order of magnitude ordinal ordinal number ordinance Ordinance Powers ordinand ordinarily ordinariness ordinary ordinary shares ordinate ordination ordnance ordure ore oregano Oregon Oregon Trail, the org organ organdie

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