单词 | perigee |
释义 | Word Frequency perigee(ˈpɛrɪˌdʒiː) noun the point in its orbit around the earth when the moon or an artificial satellite is nearest the earth Compare apogee (sense 1)Derived forms perigean (ˌperiˈgean) or perigeal (ˌperiˈgeal) adjective Word origin C16: via French from Greek perigeion, from peri- + gē earth |
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