gravel

n.碎石；粗砂

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