ground /ɡraund/ n. 1. 地面(sing.，与定冠词 连用)：lie on (sit on, fall to) the ground 躺在(坐在，落在)地上 An apple fell to the ground.苹果落到地上。2.［c］场地：a sports ground 足球场； a play ground 操场 3.理由，根据：on the ground(s) of 根据，以…为理由：have no ground(s) for doing it 没有理由干这件事 He was excused on the ground(s) of his illness.因健康原因他得到原谅。The company has been accused of discriminating on the grounds of race. 这家公司被指控存在种族歧视行为。 4. 用于习语gain ground（信念，观点等）深入人心（见gain条）；get off the ground启动；成功（见get条）