the point in the orbit of the moon, a planet or other object in space when it is nearest the planet, for example the earth, around which it turns 近地点（绕地运动的天体轨道上离地心最近点） Word Originlate 16th cent.: from French périgée, via modern Latin from Greek perigeion ‘close round the earth’, from peri- ‘around’ + gē ‘earth’.
