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:He was excused on the ground(s) of his illness.因健康原因他得到原谅。 have no ground(s) for doing it 没有理由干这件事 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)