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Perigee N Earth Peri Ges Peridʒi 近地点 记

单词 perigee
音标 ['peridʒi:]
解释 n. 近地点
红宝书 【记】 peri(周围)+gee(=ge o地)→周围之地→近 地点;
【同】 参考:apogee(远地点 )
字源 perigee (n.)
"point at which a celestial body is nearest the Earth," 1590s, from Modern Latin perigeum (15c.), from Late Greek peregeion, used by Ptolemy as a noun, properly neuter of adjective perigeios "near the earth," from peri ges, from peri "near" (see peri-) + ges, genitive of ge "earth" (see Gaia).
不择手段背单词 n. 近地点(在月球或其它卫星绕地运行的椭圆轨道上靠近地球的点)
【记】peri靠近, gee = geo地球, 土地-近地点;
【参】apogee(n 远地点)
趣味全助记 【记】peri- 近,周围 + gee;物理中g 代表地球引力,重力
【相关】apogee 远地点

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