¹ / grEUs; ^ros/ n (pl unchanged or ~es 复数或不变或作 grosses) (esp commerce 尤用於商业) twelve dozen; 一罗（12打; 144个）: two gross of best apples 两罗优等苹果 * sell sth by the gross/in grosses 按罗出售某物. =>App 4 见附录4.