短语词组短语Couch h grass 茅草被认为是杂草Couch grass Extract 白茅根提取物;白头翁素couch grass root 茅根;白茅根african couch grass 梯状马唐Agropyron repens Couch Grass 偃麦草white couch grass 速生匍匐冰草red couch grass 莎草like fire like couch grass 如火如荼 返回 couch grass