柯林斯词典irritable bowel syndrome 1. N a chronic condition of recurring abdominal pain with constipation or diarrhoea or both 肠激惹综合征[医学] 返回 irritable bowel syndrome剑桥词典a condition that affects the bowels and causes stomach pain , and is often caused by worry or anxiety 肠易激综合征（常由焦虑引起，表现为腹痛） 返回 irritable bowel syndrome