陛下，陛下的，皇家的（用于英国某些政府机构名称中或个人头衔中） HM is the written abbreviation for (书面缩略 =) Her or His Majesty or Her or His Majesty's. It is used as part of the name of some British government organizations, or as part of a person's title. 陛下，陛下的，皇家的（用于英国某些政府机构名称中或个人头衔中）