短语词组短語acute diarrheal disease 急性腹瀉病infectious diarrheal disease 感染性腹瀉病persistent diarrheal disease 遷延性腹瀉病chronic diarrheal disease 慢性腹瀉病persistent and chronic diarrheal disease 遷延性及慢性腹瀉病 返回 diarrheal disease