perigee
perigee[ˈpɛrɪdʒiː]noun- (Astronomy)the point in the orbit of the moon or a satellite at which it is nearest to the earth
(天文)近地点。 apogee的反义词
perigean[ˌpɛrɪˈdʒiːən]adjective语源- late 16th cent.: from French périgée, via modern Latin from Greek perigeion 'close round the earth', from peri- 'around' + gē 'earth'
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