单词 | hemisphere |
释义 | hemisphere n.   1. half of a sphere.   2. a half of the earth, esp. as divided by the equator (into northern and southern hemisphere) or by a line passing through the poles (into eastern and western hemisphere). Derivatives hemispheric adj. hemispherical adj. Etymology: OF emisphere & L hemisphaerium f. Gk hemisphaira (as HEMI, SPHERE) |
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