grave

a.严重的；严肃的，庄严的 n.墓穴，坟墓

grass-seed, grasshopper, grassland, grassy, grate, grateful, gratefully, grater, gratification, gratify, gratifying, gratifyingly, grating, gratingly, gratis, gratitude, gratuitous, gratuitously, gratuitousness, gratuity, gravel, gravelly, gravely, graven, graven image, gravestone, graveyard, graving dock, gravitate, gravitation, gravitational, gravity, gravy, gravy train, gravy-boat, gray, grayscale, graze, grazier, grazing,