graving dock

n dry dock in which the outside of a ship's hull may be cleaned 乾船坞（清理船外壳的场所）.

gratification, gratify, gratifying, gratifyingly, grating, gratingly, gratis, gratitude, gratuitous, gratuitously, gratuitousness, gratuity, grave, gravel, gravelly, gravely, graven, graven image, gravestone, graveyard, gravitate, gravitation, 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,