gratis

adj. 免费的

grasping, graspingly, grass, grass roots, grass snake, grass widow, grass-seed, grasshopper, grassland, grassy, grate, grateful, gratefully, grater, gratification, gratify, gratifying, gratifyingly, grating, gratingly, gratitude, gratuitous, gratuitously, gratuitousness, gratuity, grave, gravel, gravelly, gravely, graven, graven image, gravestone, graveyard, graving dock, gravitate, gravitation, gravitational, gravity, gravy, gravy train,