gravitation

n [U] force of attraction; gravity(1) 吸引力; 万有引力; 地心引力: effects of gravitation on bodies in space 太空中万有引力对星体的影响.

gratifying, gratifyingly, grating, gratingly, gratis, gratitude, gratuitous, gratuitously, gratuitousness, gratuity, grave, gravel, gravelly, gravely, graven, graven image, gravestone, graveyard, graving dock, gravitate, gravitational, gravity, gravy, gravy train, gravy-boat, gray, grayscale, graze, grazier, grazing, grazing land, grease, grease-gun, grease-paint, grease-proof paper, greasily, greasiness, greasy, great, Great Britain,