短语词组短语abdomen n in 收腹acute abdomen in children 小儿急腹症abdomen in flat 腹部中平;腹部平坦abdomen in children 小儿腹部in abdomen 在腹部;腹部close trauma in abdomen 腹部闭合性损伤mass in abdomen 腹中痞块 返回 abdomen in