地心 dìxīn earth's core Definitions Defs Origin Strokes Stroke Words Sentences Sents 地心引力 dìxīnyǐnlì gravity earth's gravity地心说 dìxīnshuō geocentrism geocentric theory地心吸力 dìxīnxīlì gravity gravitation地心纬度 dìxīnwěidù geocentric latitude geocentric latitude (the angle between the equatorial plane and a straight line from the center of the earth)
